ライフサイエンスコーパス: metathesis reaction

1 nly used as a starting material for chemical metathesis reactions).

2 pyridinium with no need for additional salt metathesis reaction.

3 antageously synthesized using a ring-closing metathesis reaction.

4 ach based on esterification and ring-closing metathesis reaction.

5 to the five-membered ring by a olefin cross metathesis reaction.

6 rbon-carbon bond derived from a ring-closing metathesis reaction.

7 hts into the reaction mechanism of the enyne metathesis reaction.

8 nce on the E:Z ratio during the ring-closing metathesis reaction.

9 wire can be grown in situ through an olefin metathesis reaction.

10 ) was constructed using an impressive olefin metathesis reaction.

11 ed via a highly stereoselective olefin cross metathesis reaction.

12 in a Z-selective formal vinyl bromide cross-metathesis reaction.

13 plished efficiently by a ring-closing olefin metathesis reaction.

14 segments reversibly ligated through an imine metathesis reaction.

15 hen coupled to an alkene via an olefin cross metathesis reaction.

16 ence of a small-molecule alkene in an olefin metathesis reaction.

17 evidence is obtained for a rapid Si-O o-bond metathesis reaction.

18 e C(sp(3))-C(sp(3)) and C(sp(3))-Pd(IV) bond metathesis reaction.

19 )2)3Si3E3] (E = P (1a), As (1b)) by a simple metathesis reaction.

20 xidative addition of the hydrosilane or by a metathesis reaction.

21 of the 3-methyl-substituent arising from the metathesis reaction.

22 uchi esterification, and Grubbs ring-closing metathesis reaction.

23 r, by using the newly developed alkyne cross-metathesis reaction.

24 a ruthenium(II)-catalyzed ring closing enyne metathesis reaction.

25 no single mechanism for the Ru-based olefin metathesis reaction.

26 sulting catalysts evaluated using a range of metathesis reactions.

27 nd thus lead to unwanted byproducts in cross metathesis reactions.

28 intramolecular Diels-Alder and ring-closing metathesis reactions.

29 genides generally enhance the rate of alkene metathesis reactions.

30 tereochemical control in Ru-catalyzed olefin metathesis reactions.

31 on sequence and others based on ring-closing metathesis reactions.

32 edented three-component intermolecular cross metathesis reactions.

33 ibility of their homodimers toward secondary metathesis reactions.

34 e current scope of catalytic carbonyl-olefin metathesis reactions.

35 d enyne tandem cross-metathesis-ring-closing metathesis reactions.

36 led to a variety of new quaternary salts via metathesis reactions.

37 , NH(4)(+), and Li(+) salts were prepared by metathesis reactions.

38 ges was synthesized via straightforward salt metathesis reactions.

39 , followed by intramolecular alkyne-carbonyl-metathesis reactions.

40 that are active in hydrogenolysis and alkane metathesis reactions.

41 ong the most widely used catalysts in olefin metathesis reactions.

42 ct from previously established olefin-olefin metathesis reactions.

43 ciple of iron(III)-catalyzed carbonyl-olefin metathesis reactions.

44 variants were prepared by exploiting alkene metathesis reactions.

45 complexes are active precursors for propane metathesis reactions.

46 loaddition and subsequent ring-rearrangement metathesis reactions.

47 f homodimerization and industrially relevant metathesis reactions.

48 ium coordination sphere by conventional salt metathesis reactions.

49 ne and subsequent silylation by a sigma-bond metathesis reaction, affording the observed products.

50 of a highly stereoselective tethered olefin metathesis reaction and a Julia-Kocienski olefination is

51 logues were synthesized utilizing the olefin metathesis reaction and evaluated in a calcineurin A inh

52 n this work, we discovered a new silyl ether metathesis reaction and used it for the preparation of v

53 ed, with particular emphasis on ring-closing metathesis reactions and annulation reactions based on C

54 arely been demonstrated as active species in metathesis reactions and are frequently regarded as iner

55 henomenon also affects its activity in cross metathesis reactions and prohibits crossover reactions o

56 icant catalytic activity in promoting olefin metathesis reactions and provide products of high purity

57 erman rearrangement reaction, a ring-closing metathesis reaction, and an amination reaction.

58 a hindered tertiary alkoxide, a ring-closing metathesis reaction, and the Diels-Alder cycloaddition o

59 ric methodologies: Krische allylation, cross-metathesis reaction, and THP formation via Pd(II)-cataly

60 diastereoselective Nazarov and ring-closing metathesis reactions, and a highly efficient formation o

61 andin family of compounds by catalytic cross-metathesis reactions, and a strained 14-membered ring st

62 ry rare examples of main group multiple bond metathesis reactions are also found to be viable.

63 ity of that dimer to undergo selective cross-metathesis reactions are described.

64 ring-closing (ARCM) and ring-opening (AROM) metathesis reactions are detailed.

65 its on the efficiency of Ru-catalyzed olefin metathesis reactions are discussed.

66 ives, promote exceptional Z-selective olefin metathesis reactions are elucidated.

67 ough alkene/alkene and alkene/carbonyl cross-metathesis reactions are known, there is a lack of analo

68 cumvent these barriers; however, solid-state metathesis reactions are often too rapid from extensive

69 In contrast, inorganic main-group metathesis reactions are restricted to a handful of exam

70 silicon, and chemoselectivity in sigma-bond metathesis reactions, are discussed.

71 This work demonstrates the silyl ether metathesis reaction as a new, robust dynamic covalent ch

72 pha-chloro sulfide, and last by ring-closing metathesis reaction as the key steps.

73 (2))C(6)H(3)) ligands, catalyzes Z-selective metathesis reactions as a consequence of intermediate me

74 g beta-glycosylation and Grubbs olefin cross-metathesis reactions as the key steps.

75 While the metathesis reaction between alkynes and carbonyl compoun

76 pound was accessed by means of a double bond metathesis reaction between an amido-functionalized phos

77 ies of the nickel-catalyzed functional group metathesis reaction between aryl methyl sulfides and ary

78 s of pseudo-oligosaccharides using the cross-metathesis reaction between distinct sugar-olefins follo

79 Ir-based materials were synthesized through metathesis reaction between halide and alkali metal salt

80 duction of a chalcogel network formed by the metathesis reaction between K2PtCl4 and Na4SnS4.

81 Our results also indicate that a metathesis reaction between Mn(II) and some species on t

82 Synthesis of the sodide is accomplished by a metathesis reaction between Na and AdzH(+)X(-) in which

83 -4 and 6), were synthesized through either a metathesis reaction between Ru2(ap)4Cl and LiC(2m)Li or

84 lity of the regio- and stereoselective cross metathesis reaction between silylated alkynes and termin

85 The chalcogels are formed via metathesis reaction between the clusters [Mo(2)Fe(6)S(8)

86 This study represents the first example of a metathesis reaction between the P-atom of [PCO](-) and a

87 des with CH-acidic methanesulfonamides and a metathesis reaction between the resulting alpha-arylated

88 This method exploits the degenerate metathesis reaction between the titanium methylidene unv

89 of disulfides evidenced by observation of a metathesis reaction between two different disulfides pla

90 enabled by a microwave-assisted ring-closing metathesis reaction between two terminal olefins on the

91 Catalyst-dependent metathesis reactions between 3-en-1-ynamides and nitroso

92 alyze a variety of intra- and intermolecular metathesis reactions between aldehydes/ketones and alken

93 m hafnium nitride (CaHfN(2)), by solid state metathesis reactions between Ca(3)N(2) and MCl(4) (M = Z

94 ation effectively accelerates cross-coupling metathesis reactions between deactivated olefins.

95 nt yttrium manganese oxides through assisted metathesis reactions between Mn(2)O(3), YCl(3), and A(2)

96 Metathesis reactions between uranium tetrachloride and l

97 ound to be highly active catalysts for cross-metathesis reactions between Z-internal olefins and Z-1,

98 Studying seemingly simple metathesis reactions between ZnCl(2) and (t)BuMgCl has,

99 Anion metathesis reactions between ZrNCl and A(2)S (A = Na, K,

100 While the corresponding carbonyl-olefin metathesis reaction can also be used to construct carbon

101 th the appropriate activity, selective cross metathesis reactions can be achieved with a wide variety

102 ghlights a remarkably efficient ring-closing metathesis reaction catalyzed by Nolan ruthenium indenyl

103 s incorporated using either the ring-closing metathesis reaction catalyzed by the first generation Gr

104 rticularly notable are the unprecedented 1,4-metathesis reactions catalyzed by Ag(I) or Zn(II) to giv

105 rediction and development of selective cross metathesis reactions, culminating in unprecedented three

106 various self-, cross- and macro-ring-closing-metathesis reactions, delivering products in high select

107 r that cleaves the C-H bond via a sigma bond metathesis reaction, during which the Co inserts into th

108 approach, a tandem ring-opening/ring-closing metathesis reaction effected an overall [2.2.1] --> [3.3

109 has exhibited such high performance in cross-metathesis reactions employing ethylene gas, with activi

110 of this pericyclic reaction with a catalytic metathesis reaction extends the versatility of cross-met

111 Furthermore, Z-selective cross-metathesis reactions, facilitated by Mo and Ru complexes

112 e coupling and a stereospecific olefin cross-metathesis reaction followed by malonic ester synthesis

113 f bis(vinyl boronate esters) or ring-closing metathesis reactions followed by complexation with dicob

114 ynthesis features a challenging ring-closing metathesis reaction, followed by elimination and aromati

115 epsipeptide core followed by an olefin cross-metathesis reaction for installation of the thioester.

116 enum-catalyzed enantioselective ring-closing metathesis reaction for the desymmetrization of an advan

117 acid-catalyzed carbonyl-olefin ring-closing metathesis reactions for aliphatic ketones.

118 ne (1) and (-)-irofulven (2), which features metathesis reactions for the rapid assembly of the molec

119 ides, have been developed via a ring-closing metathesis reaction from d-ribose in eight steps.

120 ), W(6)} (L = PhC(NtBu)(2)) were prepared by metathesis reaction from the corresponding chloride with

121 [Cp*(2)Sc(AlMe(4))] were accessible by salt metathesis reactions from [Sc(AlMe(4))(3)(Al(2)Me(6))(0.

122 ification necessary) to perform ring-closing metathesis reactions, generating 14- to 21-membered ring

123 angement and a Ru(II)-catalyzed ring-closing metathesis reaction has been developed for the preparati

124 Specifically, the catalytic olefin metathesis reaction has led to profound developments in

125 s successfully employed in Z-selective cross metathesis reactions has now been found to be highly act

126 verage the C-H bond as a functional group in metathesis reactions has proved to be exceptionally chal

127 While the separate PDH and metathesis reactions have been extensively studied in th

128 control the stereochemical outcome of olefin metathesis reactions have been recently introduced.

129 and proton-catalyzed carbonyl-olefin/alkyne metathesis reactions have gained relevance in organic sy

130 Catalytic carbonyl-olefin metathesis reactions have recently been developed as a p

131 driver for high activity in a representative metathesis reaction (homodimerization of 1-nonene).

132 We report a metathesis reaction in which a nitrene fragment from an

133 cribe how our investigations of ring-closing metathesis reactions in epothilone settings led to the f

134 e untapped potential of emerging single-bond metathesis reactions in the preparation of new, recyclab

135 nover numbers up to 10,000 in various olefin metathesis reactions including alkenes bearing nitrile,

136 ng 1000 were possible for a variety of cross-metathesis reactions, including the synthesis of industr

137 The types of cross metathesis reactions investigated thus far are presented

138 n to interrogate the factors influencing the metathesis reaction involving M-M, C-C, and M-C triple b

139 While metathesis reactions involving carbon-carbon double bond

140 Here we show that through cross-metathesis reactions involving E- or Z-trisubstituted al

141 oach to reaction mechanisms brought together metathesis reactions involving the formation of a variet

142 oach to reaction mechanisms brought together metathesis reactions involving the formation of a variet

143 The power of this cross-metathesis reaction is demonstrated by the concise synth

144 However, the cross metathesis reaction is often accompanied by competing di

145 re, the protonation of both reactants of the metathesis reaction is predicted to be not productive ow

146 enantioselective class of ring-opening/cross-metathesis reactions is presented.

147 an efficient and selective bis ring-closing metathesis reaction leading to peptides bearing multiple

148 lar cyclization and microwave-assisted cross-metathesis reaction, leads to the first total synthesis

149 etal complexes can be readily accessed using metathesis reactions, many such species are unstable to

150 be manipulated and managed so that an olefin metathesis reaction may occur more efficiently and/or mo

151 e we show that kinetically E-selective cross-metathesis reactions may be designed to generate thermod

152 present an in situ study of the solid-state metathesis reactions MCl2 + Na2S2 --> MS2 + 2 NaCl (M =

153 used in a sequence of catalytic ring-closing metathesis reactions mediated by various supported Ru ca

154 s such as the Mo- and Ru-based catalysts for metathesis reactions (Nobel Prize in 2005) or palladium

155 The sigma-bond metathesis reaction of 13 with Mes2SiH2 yielded HSitBuPh

156 rdinate gallium cation, has been obtained by metathesis reaction of [2,6-Mes(2)C(2)H(3)](2)GaCl with

157 l-2-ylidene]2 ) has been synthesized by salt-metathesis reaction of [L2 (Cl)Ge:] 1 with sodium phosph

158 Metathesis reaction of a dilithio borole dianion, a cycl

159 In the cross metathesis reaction of allyl benzene with cis-1,4-diacet

160 Ichikawa's rearrangement and a ring-closing metathesis reaction of allyl carbamates is presented as

161 ted Overman rearrangement and a ring closing metathesis reaction of allylic trichloroacetimidates bea

162 We also uncovered a facile siloxy-metathesis reaction of an incoming silanol with the carb

163 e report the facile and efficient metal-free metathesis reaction of C-chiral allylic sulfilimines wit

164 C-1-disaccharide glycals based on the olefin metathesis reaction of enol ethers and alkenes is descri

165 f their steady-state conversion in the cross-metathesis reaction of terminal olefins.

166 Cross metathesis reaction of the acrolein-derived phosphonate

167 ly from solution hydrolysis, we measured the metathesis reaction of the crystallized forms with bariu

168 A cross-metathesis reaction of the second aminoallylation produc

169 From the metathesis reaction of the silver salt of methanetris(di

170 The olefin metathesis reaction of two unsaturated substrates is one

171 Here we describe the metathesis reactions of a strained eight-membered ring t

172 Ru nanoparticles were synthesized by olefin metathesis reactions of carbene-stabilized Ru nanopartic

173 Salt metathesis reactions of Cp(2)(NR(2))ZrX (X = Cl, I, OTf)

174 elative TONs of productive and nonproductive metathesis reactions of diethyl diallylmalonate are comp

175 In general, the metathesis reactions of phosphonates 2b and 2c are consi

176 Here we report catalytic Z-selective cross-metathesis reactions of terminal enol ethers, which have

177 These complexes can be accessed through salt metathesis reactions of the lithium dihydropnictides LiE

178 The cross-metathesis reactions of trans-tetrafluoro(trifluoromethy

179 A study of the ring-closing metathesis reactions of two bis(enynes) is presented.

180 For example, catalytic metathesis reactions operate in the presence of supersto

181 Taking this a step further, alteration of a metathesis reaction pathway can result in either the for

182 Metathesis reactions present an approach to circumvent t

183 hosphine dissociation leads to faster olefin metathesis reaction rates, which is of direct significan

184 evelopment of strategies for carbonyl-olefin metathesis reactions relying on stepwise, stoichiometric

185 s shown to catalyze three important types of metathesis reactions: ring-closing metathesis, alkene di

186 dem ring-opening metathesis and ring-closing metathesis reaction (ROM-RCM) to cyclize the linear pept

187 Olefin cross- and ring-closing metathesis reactions run in the presence of small amount

188 leton, a Negishi cross-coupling/olefin cross-metathesis reaction sequence to generate the trans-enone

189 , the transition states in its final ene-ene metathesis reaction stage are particularly sensitive to

190 herein efficiently promote benchmark olefin metathesis reactions such as the ring-closing of diethyl

191 thenium-catalysed reversible C-C single-bond metathesis reaction that allows redox- and pH-neutral bi

192 a alkaloid, quebrachamine, through an alkene metathesis reaction that cannot be promoted by any of th

193 oduces polymer through a ring-opening alkyne metathesis reaction that is driven by the strain release

194 ate a catalytic carbonyl-olefin ring-closing metathesis reaction that uses iron, an Earth-abundant an

195 able to participate in high-yielding olefin metathesis reactions that afford acyclic 1,2-disubstitut

196 )2]2 consists of a series of oxygen/fluorine metathesis reactions that are presumably mediated by the

197 Kinetically controlled catalytic cross-metathesis reactions that generate (Z)-alpha,beta-unsatu

198 rst examples of kinetically controlled cross-metathesis reactions that generate Z- or E-trisubstitute

199 led stereoselective macrocyclic ring-closing metathesis reactions that generate Z-enoates as well as

200 that ambient light could play a role in some metathesis reactions that involve ethylene and tungsten-

201 Ethylene is the byproduct of olefin metathesis reactions that involve one or more terminal a

202 future development of metal-catalyzed amide metathesis reactions that proceed via transamidation.

203 In a multiple-bond metathesis reaction, the triazacyclononane (tacn)-anchor

204 us atoms were assembled using a ring-closing metathesis reaction, then incorporated into oligonucleot

205 oyed to assemble the diene precursor for the metathesis reaction, three non-natural isomers of halicl

206 Here, we develop a C-H/C-X metathesis reaction through a radical swapping protocol

207 ring E and a diastereoselective ring-closing metathesis reaction to construct ring D.

208 diates, as well as Ru-catalyzed ring-closing metathesis reaction to construct the key tricyclic cores

209 cent to the ether linkage and a ring-closing metathesis reaction to construct the nine-membered ether

210 tive stereochemistry and (2) a double olefin metathesis reaction to deliver both cyclohexene rings of

211 ives that were subjected to the ring closing metathesis reaction to furnish the gem-difluoromethylene

212 etic approach was the diene-ene cross olefin metathesis reaction to generate the C6-C7 olefin without

213 key step in the synthesis was a ring-closing metathesis reaction to prepare the macrocyclic ring syst

214 amount of ZnCl(2) available for the intended metathesis reaction to take place.

215 onverted via lithium halide-eliminating salt metathesis reactions to alkylated or silylated imidazoli

216 quently be joined through within-grid alkene metathesis reactions to form a topologically trivial mac

217 ucose, followed by a sequential ring-closing metathesis reaction using Grubbs catalysts, double-bond

218 on macromolecules underwent the ring-closing metathesis reaction using Grubbs' Type I catalyst, RuCl(

219 A cross-metathesis reaction was carried out between polymers and

220 nerated by sequence ligation using the imine metathesis reaction was equilibrated under a variety of

221 In this work, a cross-metathesis reaction was used to generate end-functionali

222 A Grubbs' ring closing metathesis reaction was utilized to close the unusual 13

223 eugenol/crotonaldehyde combination in olefin metathesis reactions was demonstrated by a short synthes

224 ation as well as overall activity for olefin metathesis reactions was examined.

225 rresponding free energy change for the imine metathesis reactions were estimated.

226 A variety of ene-yne cross metathesis reactions were performed using unsaturated ph

227 Two ring-closing metathesis reactions were then used to form the 13- and

228 forded [(dmpe)2Fe(<--:Si(Me)L)] 4 under salt metathesis reaction, while its reaction with Li[BHEt3] y

229 Furthermore, the sulfilimine/isocyanate metathesis reaction with 4,4'-methylene diphenyl diisocy

230 agating polymer chain end from the secondary metathesis reaction with the alkenes in the backbone of

231 zontal lineCHCMe3)](+) via an intramolecular metathesis reaction with the imine fragment of the (FI)

232 5-Me(2)C(6)H(3)), undergoes an O-for-PSiR(3) metathesis reaction with the niobium phosphinidene compl

233 Olefin metathesis reactions with 3E-1,3-dienes using Z-selectiv

234 ft acid-base principles using post-synthetic metathesis reactions with ammonium halides.

235 nions in MFU-4l as nucleophiles, engaging in metathesis reactions with CH(3)I.

236 Et, and i-Pr; X = Cl, Br), are prepared via metathesis reactions with conventional alkylating agents

237 up have been shown to catalyze various cross metathesis reactions with high activity and, in most cas

238 Subsequent metathesis reactions with LiN(SO(2)CF(3))(2) or KPF(6) r

239 est that metallacyclobutane intermediates in metathesis reactions with MAP species are likely to cont

240 d of [k(3)-Tism(Pr(i)Benz)]CdH undergoes (a) metathesis reactions with MeI, Me(3)SiX (X = Cl, Br, I,

241 the way to designing carbonyl-olefin/alkyne metathesis reactions with simple solid catalysts.

242 uoromethyl-substituted alkenes through cross-metathesis reactions with the commercially available, in

243 ting nanoparticles could also undergo olefin metathesis reactions with vinyl-terminated molecules, as

244 mmetric allylation, Prins cyclization, cross-metathesis reaction, Yamaguchi lactonization, and Julia-

245 NMR studies confirmed that the ring-closing metathesis reaction yielded a single product with the Z