ライフサイエンスコーパス: unsymmetrical

1 [reaction: see text] Two new unsymmetrical 1,2,4,5-tetrazines, 3-methylsulfinyl-6-met

2 s is achieved for the synthesis of versatile unsymmetrical 1,2-diamine derivatives.

3 nBr(2)-mediated regioselective annulation of unsymmetrical 1,2-diarylmethinedipivalates in DCM at roo

4 Little selectivity was observed in cases of unsymmetrical 1,2-diketones.

5 of terminal alkynes to give symmetrical and unsymmetrical 1,3-diynes in good to excellent yields and

6 second aldehyde or ketone then leads to the unsymmetrical 1,4-alkynediol 2a.

7 A one-pot preparation of unsymmetrical 1,4-alkynediols such as 2a by the coupling

8 Five new, unsymmetrical 1,4-distyryl-2,5-bisphenylethynylbenzenes

9 In addition, the reaction of unsymmetrical 16-Selena/telluratripyrranes with symmetri

10 r into both symmetrical (5a-c and 11a-c) and unsymmetrical (19a-e) bis-2,5-diketopiperazines (bis-2,5

11 on a selective oxidative rearrangement of an unsymmetrical 2,2'-bis-tryptamine.

12 The reactions of symmetrical and unsymmetrical 2,2'-dipyridylamines with 1,2-dibromoethan

13 osine and 5-octadiynyl-2'-deoxycytidine with unsymmetrical 2,5-bis(azidomethyl)pyridine using copper(

14 ct arylation event furnishing symmetrical or unsymmetrical 2,5-diaryl selenophenes in good yield.

15 trate the divergent C-H functionalization of unsymmetrical 2-aryl cyclic 1,3-dicarbonyl compounds tha

16 ovel access to highly useful symmetrical and unsymmetrical 2-aryl substituted 1,4-diketone building b

17 roach was also extended for the synthesis of unsymmetrical 3,3'-bisimidazopyridinylmethanes under opt

18 With unsymmetrical 3,3-diarylacrylamides, high selectivity is

19 ing this method, a series of symmetrical and unsymmetrical 3,5-diarylpyridines were synthesized with

20 3-Substituted, 6-substituted, and unsymmetrical 3,6-disubstituted 4-alkylaminopyridazines

21 connectivity, the selective symmetrical and unsymmetrical 4,4"-functionalization (-CN, -Me, -CO2Me)

22 DFT computations revealed formation of an unsymmetrical adduct of (TMP)Co-CH(OAc)CH3 (4) with *CH(

23 either formal hydrosilylation regioisomer of unsymmetrical aliphatic-substituted internal alkynes fro

24 The NMR data for 12a-l are consistent with unsymmetrical alkene bonding and polarization of the alk

25 The unprecedented formation of unsymmetrical alkenes from the intermolecular reductive

26 Reactions involving unsymmetrical alkenyl and alkynyl dienophiles proceed wi

27 ld and efficient method for the synthesis of unsymmetrical alkyl ketones.

28 ycloaddition with a range of symmetrical and unsymmetrical alkyne and alkene dipolarophiles to afford

29 ures of regioisomers have been obtained when unsymmetrical alkynes are employed.

30 by excellent levels of regioselectivity when unsymmetrical alkynes are used that carry an -OH or -NHR

31 ad substrate scope, and both symmetrical and unsymmetrical alkynes can be applied.

32 ad substrate scope, and both symmetrical and unsymmetrical alkynes can be harnessed.

33 cycloaddition between a variety of internal, unsymmetrical alkynes is described.

34 Alternatively, unsymmetrical alkynes of the form EtCCR (R variable) can

35 Unsymmetrical alkynes proceed with excellent regioselect

36 hine followed by regioselective insertion of unsymmetrical alkynes to afford nonracemic 1,2-dihydroqu

37 lized ylides that undergo cycloaddition with unsymmetrical alkynes to give indolizidines with good re

38 regioselectivity was achieved in the case of unsymmetrical alkynes.

39 of several substituted VCPs with a range of unsymmetrical alkynes.

40 bite angles and that nucleophilic attack on unsymmetrical allyl complexes with larger bite angle lig

41 larger bite angle ligands was faster than on unsymmetrical allyl complexes with smaller bite angle li

42 n geometry was controlled in the coupling of unsymmetrical allylating agents.

43 enzimidazole and imidazole nucleophiles with unsymmetrical allylic carbonates in the presence of sing

44 [Rh(CO)2Cl]2-catalyzed allylic alkylation of unsymmetrical allylic carbonates was discovered.

45 Palladium-catalyzed reaction of unsymmetrical allylic electrophiles with amines gives ri

46 The use of unsymmetrical allylic pro-nucleophiles was shown to give

47 a precursor for the convenient synthesis of unsymmetrical alpha,alpha-diarylacetates featuring indol

48 The reaction of unsymmetrical alpha,omega-diynes gave a product only wit

49 product ratios from the vinylalumination of unsymmetrical alpha-diketones with [alpha-(ethoxycarbony

50 nctional groups delivering fully substituted unsymmetrical amides in high yields (up to 96%).

51 These observations are made for a class of unsymmetrical amides that exhibits two asymmetric axes--

52 ccording to a two-site binding model, 28 new unsymmetrical analogues bearing a benzyl tail group and

53 A series of unsymmetrical and symmetrical push-pull phenothiazines (

54 ny need for purification, to produce various unsymmetrical and symmetrical tetraarylethylenes in exce

55 Studies of substituted unsymmetrical and unsubstituted symmetrical model eta(3)

56 s the design, and synthesis of D-pi1-A-pi2-D unsymmetrical, and D-pi1-A-pi2-A-pi1-D symmetrical type

57 With unsymmetrical aromatic substrates, generally good regios

58 to access highly functionalized arynes from unsymmetrical aryl(mesityl)iodonium tosylate salts.

59 ipso-substitution of the iodonium moiety and unsymmetrical aryl(TMP)iodonium salts are primarily empl

60 purine nucleophiles, as well as a variety of unsymmetrical aryl, heteroaryl, and aliphatic allylic ca

61 Unsymmetrical aryl-, heteroaryl-, and alkyl-substituted

62 regioselectivity was achieved in the case of unsymmetrical (aryl)alkynes.

63 into regioselectivity trends in reactions of unsymmetrical arynes, which in turn has fueled advances

64 We report here a study showing that the new unsymmetrical azo compound, C-8, initiates LDL lipid per

65 For unsymmetrical azoarenes, selective aroylation took place

66 scope and is compatible with symmetrical and unsymmetrical azobenzene derivatives, with maleimides an

67 The regioselective coupling of unsymmetrical azobenzenes was further demonstrated and l

68 l groups and allows the synthesis of diverse unsymmetrical azophenols under mild conditions in good t

69 -x)(PMe3)x(NO)]BF4, which are electronically unsymmetrical because of the presence of a single NO(+)

70 benzofurans, xanthenes, diaryl indoles, and unsymmetrical benzophenones by novel routes without appl

71 A series of unsymmetrical bi- and tetrathiophenes have been synthesi

72 ively for the synthesis of a wide variety of unsymmetrical biaryl compounds.

73 ross-coupling with aryl triflates to provide unsymmetrical biaryl derivatives in good to excellent yi

74 rnished highly oxygenated and functionalized unsymmetrical biaryls in good to excellent yields by the

75 ium metal in pure water leads to symmetrical/unsymmetrical biaryls, indicative of a net Kumada-like b

76 lerated if the ligand L is an electronically unsymmetrical bidentate ligand.

77 Unsymmetrical bifunctional antitumor agent WMC79 was fur

78 The synthesis of novel unsymmetrical bifunctional antitumor agents was accompli

79 s is unknown, but previous studies led to an unsymmetrical binding model.

80 u-OH)(oxapyme)Co(2+)(H(2)O)](+), contains an unsymmetrical binucleating ligand (oxapyme) which provid

81 An iron-catalyzed oxidative unsymmetrical biphenol coupling in 1,1,1,3,3,3-hexafluor

82 ns are scalable for preparing a long list of unsymmetrical biphenols assembled from a less reactive p

83 steric interactions between substituents of unsymmetrical bis(4-pyridyl)acetylene ligands dictate th

84 Notably, unsymmetrical bis(enones) possessing sufficient steric o

85 rategy was developed for the construction of unsymmetrical bis(pyridin-2-ones).

86 elimination from a series of electronically unsymmetrical bis-aryl complexes was not faster from com

87 OMe, CH(3), H, Cl, CF(3)) and electronically unsymmetrical bis-aryl platinum complexes (DPPF)Pt(C(6)H

88 Two total syntheses of the unsymmetrical bis-indolylquinone natural product demethy

89 A catalytic cycle involving an unsymmetrical bis-pi-allylpalladium complex as the key i

90 Unsymmetrical bis-propargyl ethers and sulfonamides cont

91 The synthesis of unsymmetrical bisalkoxysilanes containing unsaturated C-

92 In this two-step synthesis, unsymmetrical bisalkoxysilanes with groups that can be f

93 s, we made predictions on the selectivity of unsymmetrical bispropargyl sulfones, amines, methanes, a

94 Several examples of unsymmetrical BODIPYs were synthesized and characterized

95 lacetylene dendritic macromolecules based on unsymmetrical branching are investigated using steady-st

96 phic analysis of [3H]BF(4) revealed a highly unsymmetrical bridging hydride, the Fe-H bond being 0.40

97 re observed, the initial product again being unsymmetrical but more stable isomers being symmetrical.

98 The unsymmetrical C(1) isomer is found to be the most abunda

99 With other initiators tested, unsymmetrical C-12 and C-16 and symmetrical C-0 and MeOA

100 le more weakly donating ligands give rise to unsymmetrical (C(4)) structures; the physical properties

101 eveloped for effective synthesis of diverse, unsymmetrical CADA compounds.

102 elopment of a new method for the assembly of unsymmetrical carbazoles is reported.

103 The formally unsymmetrical cation in [Fc(CH)(3)Fc' '](+)[BF(4)](-) is

104 s Hayashi's Ph-bod* ligand, as well as novel unsymmetrical chiral dienes.

105 ilities of one fluid into the other are very unsymmetrical, CO2 being highly soluble in the ionic liq

106 d of a hydrogen-bonded duplex (1.2) with the unsymmetrical, complementary sequences of ADAA/DADD, hav

107 A series of sidearm analogues, including two unsymmetrical compounds, have also been prepared by modi

108 bsolute rate constants of stepwise or highly unsymmetrical concerted cycloadditions.

109 (-))(2) x 2 CH(3)CN published previously, an unsymmetrical conformation having one PD(+) ring syn and

110 omplex in which the substrate is fixed in an unsymmetrical conformation, with the amine terminal expo

111 these hybrid systems occurs through space in unsymmetrical conformations, where the center-to-center

112 o sets of light-harvesting monodendrons with unsymmetrical conjugated phenylacetylene branches and pe

113 SYTOX Green stain is a cationic unsymmetrical cyanine dye that is excluded from live cel

114 We have developed a new unsymmetrical cyanine dye that overcomes this problem.

115 Unsymmetrical cyanine dyes are widely used in biomolecul

116 complementary hydroarylation reactions of an unsymmetrical cyclic olefin have been developed.

117 The synthesis of unsymmetrical cyclobutanes by controlled heterodimerizat

118 A strategy for the construction of unsymmetrical cyclobutanes using C-H functionalization l

119 udied as applied to diarylethenes containing unsymmetrical (cyclohexenone and cyclopentenone) and sym

120 elective transformations of the newly formed unsymmetrical dendralene derivatives are demonstrated.

121 tisfactory leading to the development of new unsymmetrical dendrons with alternating branched alkyl g

122 exists as two isomers: a kinetically favored unsymmetrical derivative, unsym-[1(CO)](+), and a thermo

123 d accessing a new library of symmetrical and unsymmetrical derivatives (35 examples).

124 Unsymmetrical derivatives were prepared by sequential ar

125 A new procedure for the preparation of unsymmetrical diacyl dipyrromethanes has been developed

126 silicon, and 1,5-silyl shift, leading to an unsymmetrical dialkoxysilane.

127 blem of the inability to use the enolates of unsymmetrical dialkyl ketones lacking alpha-branching fo

128 ighly chemo- and regioselective synthesis of unsymmetrical dialkyl ketones.

129 inhibitors resulted in the identification of unsymmetrical dialkyl-hydroxynaphthalenoyl-benzothiadiaz

130 beginning an oligomerization process whereby unsymmetrical dialkylchloronium ions decompose to alkyl

131 In a second step, unsymmetrical diallylated aromatic amines are generated

132 or C-C bond formation is described to access unsymmetrical diaryl acetamides under TM-free conditions

133 thod has been developed for the synthesis of unsymmetrical diaryl chalcogenides (S, Se, and Te) from

134 rbon-chalcogen bond-forming reaction to give unsymmetrical diaryl chalcogenides in trifluoroacetic ac

135 coupling reaction with aryl bromides to give unsymmetrical diaryl ketones.

136 ading to a general route toward synthesis of unsymmetrical diaryl, aryl-alkyl, aryl-heteroaryl, and d

137 enide in PEG-600 in the second step produces unsymmetrical diaryl, diheteroaryl, or aryl-alkyl bis-se

138 lectron-rich arene or heteroarene ligands of unsymmetrical diaryl-lambda(3)-iodanes is a key step in

139 ficient, strategy has been devised to access unsymmetrical diarylacetamides with the possibility of t

140 on of this method to the direct synthesis of unsymmetrical diarylacetates featuring indoles and N-sub

141 oles were synthesized from 2-iodoaniline and unsymmetrical diarylacetylenes using the Larock heteroan

142 It was found that the unsymmetrical diarylcyclopentenone bearing at second pos

143 o-6-ethoxyphenol, respectively, with a novel unsymmetrical diaryliodonium salt, 2,3,4,5-tetrabromo-6-

144 The chemoselectivity of unsymmetrical diaryliodonium salts has been investigated

145 Notably the reaction extends well to unsymmetrical diaryliodonium salts with a number of high

146 reactions led to the construction of various unsymmetrical diarylmethane scaffolds, such as thiophene

147 mild conditions to provide a wide variety of unsymmetrical diarylmethanes and other 1,1-diarylalkane

148 tituted arenes is efficiently converted into unsymmetrical diarylmethanes with various arenes as nucl

149 vative is thermally stable, when heated, the unsymmetrical diborane(5) anion derived from 9-BBN is fo

150 With the unsymmetrical diboron reagent PinB-BDan (Dan = naphthale

151 The unsymmetrical dications allowed sensitive detection for

152 be attributed to the surface activity of the unsymmetrical dications, which results in a concurrent s

153 Reactions of unsymmetrical dienes provide good to excellent olefin se

154 eactions with several symmetrical as well as unsymmetrical dienophiles, these dendralenes afforded di

155 n the primate, compound 3, a pentacoordinate unsymmetrical dihydroxamate, produces iron excretion suf

156 opodium alkaloid complanadine A, which is an unsymmetrical dimer of lycodine, was achieved by exploit

157 exacene participates as the diene to give an unsymmetrical dimer.

158 iously unreported flavomannin B (2), two new unsymmetrical dimers (3 and 4), and two new mixed dihydr

159 ration of the linkers in the symmetrical and unsymmetrical dimers was confirmed by extensive NMR (COS

160 activity with symmetrical diols and hindered unsymmetrical diols, whereas a Cu/TEMPO catalyst system

161 lectivity for the oxidation of less hindered unsymmetrical diols.

162 A new series of unsymmetrical diphenylaminofluorene-based chromophores w

163 elf-selective manner upon mixing 120 degrees unsymmetrical dipyridyl ligands with 60 degrees or 120 d

164 The effect results from the unsymmetrical distribution of the HOMO, which shows decr

165 leads to formation of (iPr2)TpCu(NO) and the unsymmetrical disulfide RS-S(t)Bu.

166 lyzed oxidative cross-coupling of alkynes to unsymmetrical diynes has been achieved for the first tim

167 es to form a variety of synthetically useful unsymmetrical diynes in good yields.

168 Moreover, the use of unsymmetrical diynes was investigated, resulting in the

169 and excellent regioselectivity is found with unsymmetrical diynes.

170 A family of unsymmetrical donor-acceptor, ferrocenyl-substituted ben

171 A two-directional unsymmetrical double annulation and biomimetic etherific

172 dium amido complexes bearing symmetrical and unsymmetrical DPPF (DPPF = bis(diphenylphosphino)ferroce

173 of arylpalladium amido complexes containing unsymmetrical DPPF ligands revealed several trends.

174 roxide, reacts with a second aldehyde to the unsymmetrical E-alkenes.

175 The endo invertomer is favored, showing an unsymmetrical equilibrium in variable (1)H NMR studies.

176 mical calculations (CCSD(T)/ANO1) predict an unsymmetrical equilibrium structure for triplet MeC3Me (

177 otochromic diarylethenes (DAEs) based on the unsymmetrical ethene "bridge" bearing heterocycles of th

178 show that the olefin coordinates to Ti in an unsymmetrical fashion primarily through C(term) such tha

179 with the salen moieties being attached in an unsymmetrical, flexible, pendent manner.

180 Hence, formulation of [1-F]+ as an unsymmetrical fluoronium must also be considered.

181 The unsymmetrical fluors 7, 14, and 20 were not as bright as

182 e of nonsubstitution on carbazolyl-N and the unsymmetrical framework of some of the derivatives is th

183 ectivities of (4 + 3) cycloadditions between unsymmetrical furans and a chiral oxazolidinone-substitu

184 UHF calculations predict a planar unsymmetrical gas-phase structure for 1,3-dinitrobenzene

185 Rather, the B-N-B array of 4 is unsymmetrical, having a 2c-2e B-N dative bond with the r

186 egioselective reaction of the in situ formed unsymmetrical (hetero)aryl-lambda(3)-iodanes with a wide

187 th triphosgene affords highly functionalized unsymmetrical imidazo[4,5-b]pyridin-2-ones in just three

188 Unsymmetrical imidazolidines 10-14, optically active imi

189 be Abeta binding data for bis-styrylbenzenes unsymmetrical in the outer rings.

190 istances of ca. 2.5 A, although the mu-CO is unsymmetrical in the propanedithiolate derivative.

191 of this reaction permit modular assembly of unsymmetrical indeno[1,2-b]fluorene analogues.

192 II) catalytic strategy for easy syntheses of unsymmetrical indolotriarylmethanes and new bisindolylbe

193 indicate that the amphiphilic nature of the unsymmetrical initiators increases their partitioning in

194 yl fluorine on the number-2 carbon favors an unsymmetrical intermediate with greater charge on the nu

195 nd enantioselective formal hydroamination of unsymmetrical internal alkenes catalyzed by a copper cat

196 When an unsymmetrical internal alkyne is employed, this method g

197 -Cycloadditions of alkyl azides with various unsymmetrical internal alkynes in the presence of CpRuCl

198 Both the symmetrical and unsymmetrical internal alkynes were reacted smoothly to

199 A modular titanium-promoted coupling of unsymmetrical internal alkynes with Weinreb amides is de

200 tetraenyltrimethylstannane afforded a single unsymmetrical isomer of 1 in 88% yield.

201 PPh3 as the trapping ligand, we obtained an unsymmetrical isomer of Fe2(S2C2H4)(mu-CO)(CN)2(PPh3)2(C

202 udies of the photochromic characteristics of unsymmetrical isomeric 2,3-diarylcyclopent-2-en-1-ones h

203 ogous reagent 5 with acid chlorides to yield unsymmetrical ketones (nine examples).

204 A one-pot procedure for the synthesis of unsymmetrical ketones utilizing a pyrrole-bearing carbon

205 s been applied to the total synthesis of the unsymmetrical lignan lactone (-)-bursehernin and a medic

206 or both samples, which were found to obey an unsymmetrical log-normal distribution, typical for vapor

207 nd sterically equivalent, but electronically unsymmetrical, meta- and para-substituted diarylethynyls

208 The photophysical properties of the unsymmetrical monodendrons are compared to those of phen

209 ansfer quantum efficiencies exhibited by the unsymmetrical monodendrons suggest they have potential f

210 The coupling of unsymmetrical monomers allowed access to the unsymmetric

211 An unsymmetrical monomethylated cyclic unsaturated acetal l

212 The protocol allows for the synthesis of unsymmetrical N,N'-di- and N,N,N'-trisubstituted ureas i

213 In most cases, when the formation of unsymmetrical N,N'-disubstituted uracil derivatives can

214 electron demand Diels-Alder reactions of an unsymmetrical N-acyl-6-amino-1,2,4,5-tetrazine.

215 es a mild and efficient means of forming the unsymmetrical N-acylurea.

216 ent and facile protocol for the synthesis of unsymmetrical N-alkyl-N'-aryl perylene diimides is repor

217 The use of challenging unsymmetrical N-allyl-N-methylglycine esters is also tol

218 The unsymmetrical nature of L as well as the rotational free

219 The unsymmetrical nature of the triazole staple also allowed

220 mediates suggest that the resting states are unsymmetrical Ni(II)-biaryl and Ni(II)-bithiophene compl

221 Another method to prepare unsymmetrical organoselenides was also completed by coup

222 Compound 3, with an unsymmetrical orientation of PT heterocycles, shows subt

223 ing reactions with aryl bromides to generate unsymmetrical ortho-substituted biaryls in good to excel

224 eveloped for the site-selective synthesis of unsymmetrical oxygenated biaryls.

225 Several unsymmetrical ozonolyses were also performed to further

226 Several unsymmetrical paddlewheel compounds of the type Mo(2)(DA

227 On the basis of the paradigm of unsymmetrical paired edges of aromatic rings for minor g

228 ne ligand framework through incorporation of unsymmetrical pendant groups is reported.

229 namely, the flexible oligomer backbone, the unsymmetrical pendent immobilization motif of the cataly

230 that include dewetting of the pi bond and an unsymmetrical perepoxide transition state in the hydrope

231 A number of unsymmetrical perylene diimides containing a solubilizin

232 assisted diboration of alkynamides using the unsymmetrical pinacolato-1,8-diaminonaphthalenato diboro

233 aforementioned results, seeded growth of the unsymmetrical PLLA BCPs PLLA42-b-P2VP240 or PLLA20-b-PAG

234 A series of novel, well-defined, unsymmetrical poly(ethylene glycol) chains of the type X

235 the anticipated symmetrical hydrodimers, an unsymmetrical product derived from the two coumarins.

236 resulted in an increase in the amount of the unsymmetrical product.

237 -2X, has greatly improved performance for an unsymmetrical protonated epoxide, and we recommend this

238 nts in terms of regiochemical preferences in unsymmetrical rearrangement precursors and explained why

239 practical, one-pot synthesis of enantiopure unsymmetrical salen ligands is described, using a 1:1:1

240 more, the comparison with the mononucleating unsymmetrical salophen reference ligand H(2)carl(Cl) and

241 Prepared unsymmetrical salts (e.g., 2-RC(6)H(4)I(+)2'-R'C(6)H(4)X

242 enient one-pot method for the preparation of unsymmetrical selenides has been developed.

243 0-porphodimethenes, whereas the process with unsymmetrical selenophene-2,5-diols/tellurophene-2,5-dio

244 porphotrimethenes, whereas the process with unsymmetrical selenophene-2,5-diols/tellurophene-2,5-dio

245 le to the bridging Nb(5+), leading to highly unsymmetrical seven-coordinated Nb(5+) sites.

246 Here we demonstrate that axially unsymmetrical silicon phthalocyanines uncage small molec

247 anediols, including naphthyl-substituted and unsymmetrical siloxanes, has been quantified and compare

248 ed upon the controlled oxidative coupling of unsymmetrical silyl bis-enol ether intermediates, formed

249 alpha'-hydroxy silyl enol ethers to generate unsymmetrical silyloxyallyl cations that were subsequent

250 n dynamic, letter-shaped and compositionally unsymmetrical single rings, complex multi-ring systems,

251 Metal-free near-infrared (NIR) active unsymmetrical squaraine dyes, RSQ1 and RSQ2, with benzod

252 2 and its isomers showed that the unexpected unsymmetrical structure of 2 results from the minimizati

253 Because of the unsymmetrical structure of both the wheel and the axle,

254 d the COSMO solvent model also give a planar unsymmetrical structure.

255 gn and synthesis of two novel dications with unsymmetrical structures and their utilization for anion

256 f the local environment, suggesting that the unsymmetrical structures observed in the crystal structu

257 d that is well suited for the preparation of unsymmetrical structures.

258 s (4 and 5, R = 2,4,6-(i)Pr(3)C(6)H(2)) with unsymmetrical substitution patterns (including Si, SiR,

259 a for 7a,b,and 8a are consistent with highly unsymmetrical substrate coordination and substantial pol

260 We extended our study to unsymmetrical substrates and compare the results with ex

261 selective and enantioselective silylation of unsymmetrical substrates was also achieved in the presen

262 ver, the regioselectivity is often poor with unsymmetrical substrates.

263 t has been accomplished yielding substituted unsymmetrical succinic acid derivatives.

264 Regioselective alkylation of an unsymmetrical succinic anhydride and a profound effect o

265 0 W) at 120 degrees C for 10 min to give the unsymmetrical sulfamides 4a-c (80-90%).

266 antioselective Ti(IV)-catalyzed oxidation of unsymmetrical sulfides to sulfoxides with high selectivi

267 a variety of amines and anilines afford the unsymmetrical sulfonylurea.

268 ion and the dynamics of the ring flip of the unsymmetrical t-CHP ring and the observed NMR shifts and

269 A total of 13 new, unsymmetrical target compounds were synthesized, as well

270 Novel unsymmetrical terpyridines 1 and 2 are synthesized using

271 78 degrees C, followed by the addition of an unsymmetrical tetra- or pentafluorophenyl substituted al

272 an potentially be integrated into the target unsymmetrical thioether final products.

273 -free, one-pot strategy for the synthesis of unsymmetrical thioethers.

274 Additionally, these studies suggest an unsymmetrical transition state for the zirconocene coupl

275 Nevertheless, a diverse range of unsymmetrical tri- and tetrasubstituted cyclobutane stru

276 or the success of these reactions which form unsymmetrical tri- and tetrasubstituted cyclobutanes thr

277 In the present account we describe unsymmetrical triads constructed from extended borondipy

278 so been demonstrated through construction of unsymmetrical triaroylbenzenes functionalized with only

279 lly and synthetically important indole-based unsymmetrical triarylmethanes using indoles and aldehyde

280 in the analogous methanesulfenyl cases, are unsymmetrical trigonal bipyramidal, with the nucleophile

281 The unsymmetrical tris(imidazolium) salt H3-1(Br)3, featurin

282 eagents results in formation of a completely unsymmetrical trisubstituted BODIPY.

283 (type I) transition structures (TSs), novel unsymmetrical TSs were found in which the Li is coordina

284 applied to the synthesis of (a)chiral bulky unsymmetrical unsaturated 2,6-diisopropylphenyl N-hetero

285 The unsymmetrical (unsym) arrangement of the dppv ligands is

286 ep cyclization reaction involving amino acid unsymmetrical urea A and carboxy-imidazolyl-dipeptide es

287 nthesis include controlled preparation of an unsymmetrical urea and its conversion to a fully differe

288 versatile intermediates in the synthesis of unsymmetrical urea-linked disaccharides and trisaccharid

289 apped by various amines and alcohols to make unsymmetrical ureas and carbamates, respectively.

290 rapid (1-5 min) construction of an array of unsymmetrical ureas in good to excellent yields.

291 ith amines cleanly and irreversibly and give unsymmetrical ureas in high yield and purity.

292 very convenient method for the synthesis of unsymmetrical ureas is described, based on isopropenyl c

293 ave-accelerated, one-pot tandem synthesis of unsymmetrical ureas via a Curtius rearrangement.

294 satile intermediates for the construction of unsymmetrical ureas, carbamates, thiocarbamates and amid

295 erived auxiliary is a promising component of unsymmetrical variants, yet access remains limited.

296 c(CH)(3)Fc' '](+)[BF(4)](-) is only slightly unsymmetrical with little bond-length alternation in the

297 The Fe-H...Ni center is unsymmetrical with r(Fe-H) = 1.51(3) A and r(Ni-H) = 1.7

298 (3), X = I (4), X = NO2 (5), X = CN (6)) and unsymmetrical (X = I, Y = MeO (7), Y = PhO (8)) para-dis

299 be that the elimination process occurs by an unsymmetrical, yet concerted, transition state with stro

300 kynes (i.e., tolan and 3-hexyne) to give the unsymmetrical ziconacyclopentadienes Cp(2)Zr[2,4,5-Ph(3)