ライフサイエンスコーパス: borane

1 ene-1,5-diyne with an N-heterocyclic carbene borane.

2 m n-butyllithium and the corresponding amine-borane.

3 the synthesis of a six-membered cyclic amine-borane.

4 onations of boronic acid to borinic acid and borane.

5 enation of carbon dioxide (CO2) with ammonia-borane.

6 by the reaction of dinitroamine with ammonia-borane.

7 alytic hydrolytic dehydrogenation of ammonia borane.

8 tioinduction in reductions catalyzed by this borane.

9 arbene into a boron-hydrogen bond of the NHC-borane.

10 oselectivity-determining when using a chiral borane.

11 d chemical vapor deposition (CVD) of ammonia borane.

12 s(3,5-dinitromesityl)borane and tris(mesityl)borane.

13 oupled with enantiodivergent addition of the borane.

14 ydrophosphination with a secondary phosphine borane.

15 bout 2 orders of magnitude less than for NHC-boranes.

16 al reactions of N-heterocyclic carbene (NHC) boranes.

17 9-dimethylxanthene) in the presence of amine-boranes.

18 the first reported examples of (dinitramido)boranes.

19 d of Lewis basic phosphines and Lewis acidic boranes.

20 disubstituted 1,3-dimethylimidazol-2-ylidene boranes.

21 dride transfer to reactions employing chiral boranes.

22 lized through interactions with the appended boranes.

23 rst single-component N-heterocyclic silylene borane 1 (LSi-R-BMes2 ; L=PhC(N(t) Bu)2 ; R=1,12-xanthen

24 ne salts of tert-butylmethylphosphinous acid borane 1 is described.

25 [B12H12](2-), dianionic and an example of a borane, 1,2-C2B10H12, neutral and an example of a hetero

26 Catalytic amounts of tris(pentafluorophenyl)borane (10-20 mol %) are employed to afford the C=C coup

27 dehydrogenation of H2 O to give the silanone-borane 3 as reactive intermediate.

28 allows access to the intramolecular silanone-borane 3 featuring a Si=O-->B interaction through reacti

29 N2 O, or CO2 , and formation of silanethione borane 4 from reaction with S8 .

30 tm pressure in benzene, affording the silane borane 5-H2 , L(H2 )Si-R-BMes2 .

31 sopropylammonium tert-butylmethylphosphinite borane 6 revealed the presence of a cyclic hydrogen-bond

32 Intermediate 5 was then transformed to amine-borane 8 and the cyclic diborazane 9a by two different m

33 catalysts for the dehydrogenation of ammonia borane (AB) are known, those that release >2 equiv of H2

34 Ammonia borane (AB) is among the most promising precursors for t

35 ted for catalytic dehydrogenation of ammonia borane (AB).

36 based on an electron-rich Si(0) donor and a borane acceptor.

37 improved by using stronger amine donors and borane acceptors than prior studies.

38 ramolecular C-H borylation of tertiary amine boranes activated with catalytic amounts of strong "hydr

39 in good to excellent yields via concomitant borane activation of glycal donor and nucleophile accept

40 protonation with n-butyl lithium followed by borane addition.

41 ally demonstrated by isolation of a silylene-borane adduct 3 following addition of B(C6F5)3.

42 , the carbene 23a, and the mechanisms of the borane adduct formation to 26a-h, NMR spectroscopic inve

43 es, isolated and characterized as air-stable borane adducts, and the investigation of their experimen

44 CO, to form [2+2] and [2+4] cycloadducts and borane adducts, and to cyclize to 1H-diazirenes of the t

45 he first representatives of new zwitterionic borane adducts, imidazo[2',1':3,4][1,4,2]diazaborolo[1,5

46 catalyzed dehydropolymerization of phosphine-borane adducts.

47 X-ray single-crystal analysis of one of the borane adducts.

48 nd isolated in 70-75% yields relative to the borane adducts.

49 oligomeric species comprising H-bonded amine-borane adducts.

50 igration triggered by boranes to afford cAAC-borane adducts.

51 Addition of neutral boranes, alkali metal cations, and an Fe(2+) complex inc

52 Borane-amine adducts have received considerable attentio

53 eoselective synthesis of secondary phosphine borane amino acid derivatives was achieved by alkylation

54 Consequently, the synthesis of sec-phosphine borane amino acids followed by their use in hydrophosphi

55 on into free [60]fullerene and sec-phosphine borane amino ester compound.

56 electrochemical behavior of a C60-phosphine borane amino ester was investigated by cyclic voltammetr

57 Second, a sec-phosphine borane amino ester was saponified and coupled with alpha

58 F-HG-AS), using different reductants such as borane-ammonia (AB), borane-tert-butylamine (TBAB), and

59 omal delivery of a (10)B-enriched polyhedral borane and a carborane against mouse mammary adenocarcin

60 3-syn isomer is obtained by combining an NHC-borane and a Lewis acid (MgBr2.OEt2), while using a reve

61 of the last 10 years of research on ammonia-borane and amine-borane dehydrogenation mediated by comp

62 posomes containing (10)B-enriched polyhedral borane and carborane derivatives for the treatment of he

63 hysical characteristics of easily accessible borane and carborane derivatives, which are excellent ma

64 good tolerance for variation in both the NHC-borane and diazocarbonyl components.

65 In these cases the borane and ether behave as a frustrated Lewis pair to ac

66 hlights developments in synthesis of ammonia borane and its derivatives over the last 80 years.

67 eactivity between the most reactive pyridine-borane and the least reactive phosphine-borane is a fact

68 ly hindered boranes: tris(3,5-dinitromesityl)borane and tris(mesityl)borane.

69 other hand, it is widely accepted that closo-boranes and -carboranes are aromatic compounds.

70 rated that the aromaticity observed in closo-boranes and -carboranes is also present in their nido co

71 between the D(2) molecule and the respective boranes and hydrides of the group 14 elements, in the pr

72 d hydrosilylation of aldimines through amine-boranes and silanes, respectively.

73 nce of an N-heterocyclic carbene borane (NHC-borane) and di-tert-butyl peroxide.

74 t compounds of ammonium borohydride, ammonia borane, and diammoniate of diborane provide approaches f

75 Dialkylammonium phosphinite boranes are convenient precursors of the chiral tert-but

76 This approach features the use of 2-picoline borane as the reducing agent and a protic solvent for th

77 efined Bi(I) complex as catalyst and ammonia-borane as transfer agent has been developed.

78 ely, the reaction with the hard Lewis acidic borane B(C6 F5 )3 initiates a cascade reaction to yield

79 nd 12) react with the strongly electrophilic borane B(C6F5)3 in consecutive 1,1-carboboration sequenc

80 because the archetypical electron-deficient borane B(C6F5)3 shows the same reaction pattern.

81 rough the addition of tris(pentafluorophenyl)borane (B(C(6)F(5))(3)) or thermal treatment under high

82 of the reaction with tris(pentafluorophenyl)borane (B(C6F5)3), an activating agent capable of cycliz

83 The first highly active phosphine (P)/borane (B) Lewis pair polymerization is promoted unexpec

84 ar organic Lewis acid tris(pentafluorophenyl)borane [B(C(6) F(5) )(3) ] into organic semiconductors h

85 look past the popular tris(pentafluorophenyl)borane [B(C(6)F(5))(3)] to the other halogenated triaryl

86 The air-stability of the most effective borane, B(C6Cl5)(C6F5)2, makes this a practically simple

87 ed from alkenyl N-heterocyclic carbene (NHC)-boranes bearing ester substituents were recently found t

88 Described herein is a bifunctional borane/borinic acid derivative (2) in which the two func

89 Formal removal of two bonding partners from boranes, BR3, yields borylenes, RB, which have been infe

90 -> O phosphinyl migration of aminophosphines borane by heating at 50 degrees C with DABCO and then re

91 alytic dehydrogenation of ammonia- and amine-boranes by a dimethylxanthene-derived frustrated Lewis p

92 We demonstrate that trimethylamine borane can exhibit desirable piezoelectric and pyroelect

93 The findings indicate that 1.0 mg of ammonia borane can produce hydrogen in the range of 1.0-1.25 mL,

94 ral types by assorted N-heterocyclic carbene boranes can be accomplished by addition of 5-10% diiodin

95 Dimeric aryl(hydro)boranes can provide suitable platforms for the synthesis

96 ylstannane, and five borane complexes (amine-boranes, carbene-boranes) have been studied photometrica

97 d argon matrix at 25 K to selectively form a borane carbonyl 9 without involvement of the adjacent ph

98 Icosahedral boranes, carboranes, and metallacarboranes are extraordi

99 ively summarises synthetic methods involving borane-catalysed Si-H and H-H bond activation.

100 ,3'-disubstituted binaphthyl backbone of the borane catalyst as well as the use of reactive trihydros

101 reacts to yield an N-silylated amine and the borane catalyst.

102 by a far less encumbered iron tris(phosphine)borane catalyst.

103 We report the serendipitous discovery of a borane-catalyzed formal C(sp(3))-CF3 reductive eliminati

104 Room-temperature borane-catalyzed functionalization of hydride-terminated

105 by spontaneous dehydrocoupling of amines and boranes cleanly react at room temperature with aldehydes

106 As there are many existing borane clusters of different sizes, heteroboranes and me

107 The synthesis of a three-coordinate Pt-borane complex featuring a bidentate "LZ" (boryl)iminome

108 -propionic acid methyl ester)phenylphosphine borane complex, a cell-permeable intracellular disulfide

109 ters upon protection of the phosphine as the borane complex.

110 ributylstannane, triphenylstannane, and five borane complexes (amine-boranes, carbene-boranes) have b

111 polarized reverse-dative sigma-bond of metal-borane complexes (i.e., M-->BR3 ) remains limited.

112 The mu-amino-borane complexes [Rh2 (L(R) )2 (mu-H)(mu-H2 B=NHR')][BAr

113 e syntheses of P-chiral ammonium phosphonite-borane complexes in the gluco- and manno-like series hav

114 sis of P-chiral gluco- and manno-phosphonite-borane complexes is described on the basis of the additi

115 ed phosphonates, phosphine oxides, phosphine-borane complexes, and phosphonium salts) was developed.

116 hine oxide, diisopropyl phosphite, phosphine-borane complexes, and triphenylphosphonium bromide) to u

117 ore effective hydrogen atom donors involving borane complexes.

118 ination reactions of [60]fullerene/phosphine borane compounds offer a promising new strategy for the

119 action of [60]fullerene by the sec-phosphine borane compounds was performed under PTC to obtain C60-a

120 le toward small molecules that exploit metal-borane cooperative effects.

121 lowed by trapping with a chlorophosphine and borane decomplexation.

122 An axially chiral, cyclic borane decorated with just one C6F5 group at the boron a

123 ntal steps of key processes, including amine-borane dehydrocoupling and hydrogen release from primary

124 lso highlight alkene hydroboration and amine-borane dehydrocoupling as competitive processes.

125 s are generated in [Cp(2)Ti]-catalyzed amine-borane dehydrocoupling reactions, for which diamagnetic

126 ears of research on ammonia-borane and amine-borane dehydrogenation mediated by complex metal hydride

127 ation, and hydrogen production through amine borane dehydrogenation or water-splitting reactions, whi

128 alytic olefin hydrogenation as well as amine-borane dehydrogenation/transfer hydrogenation.

129 iated route, and are pre-catalysts for amine-borane dehydropolymerization, suggesting a possible role

130 imetallic catalysis may be possible in amine-borane dehydropolymerization.

131 butene provided the corresponding thexyl NHC-borane (diMe-Imd-BH2thexyl) in 75% yield.

132 Reactions of 1,3-dimethylimidazol-2-ylidene-borane (diMe-Imd-BH3) and related NHC-boranes with diary

133 , reaction of 1,3-dimethylimidazol-2-ylidene borane (diMe-Imd-BH3) with 10% I2 followed by addition o

134 A borane (e.g., pinacolborane) is required to promote CAH.

135 n(II) precatalyst, a sacrificial amine and a borane, even simple, unactivated alkenes such as 1-hexen

136 fferent alcohol additives, and two different boranes examined, the use of pinacolborane in tetrahydro

137 describe the selective reaction of an amine/borane FLP with molecular oxygen.

138 ion-molecule reactions of tris(dimethylamino)borane followed by collisionally activated dissociation

139 After removal of the borane from [(ArylNCH2CH2)3N]Mo(NB(C6F5)3) with PMe3, ri

140 Tandem H(2) splitting by a phosphine-borane frustrated Lewis pair (FLP) shuttles H atoms to t

141 The trimethylene-bridged amine/borane frustrated Lewis pair was prepared by hydroborati

142 The C4-bridged unsaturated phosphane/borane frustrated Lewis pairs (P/B FLPs) 4 undergo boran

143 oducts bearing versatile amino, alkenyl, and borane functionality.

144 The ROMP of highly Lewis acidic borane-functionalized phenylnorbornenes afforded both a

145 es and electronic properties of the isomeric borane-functionalized products have been investigated in

146 he ligating atom, with phosphine, alkyl, and borane groups being prototypical examples of L-, X- and

147 l H3B.NMeH2 to form the "real monomer" amino-borane H2B horizontal lineNMeH that undergoes insertion

148 tH(I(t)Bu')(I(t)Bu)] releasing H2, the amino borane H2B-NMe2 and regenerating the catalytic [Pt](+) s

149 NiPd catalysis for the hydrolysis of ammonia borane (H3 NBH3 , AB) with a turnover frequency (TOF) of

150 Transition metal-catalyzed ammonia-borane (H3N-BH3, AB) dehydrocoupling offers, in principl

151 synthesis of 1,3-dimethylimidazol-2-ylidene borane has been conducted on scales up to 100 mmol and i

152 1-Butyl-3-methylimidazol-2-ylidene borane has been synthesized directly from two inexpensiv

153 he synthesis of P-stereogenic aminophosphine-boranes has been developed on the basis of umpolung reac

154 1,3-Dialkylimidazol-2-ylidene boranes have been made in moderate yields (typically 23-

155 ive borane complexes (amine-boranes, carbene-boranes) have been studied photometrically in dichlorome

156 Ph2tBu) Ar=2,6-Ph2 -4-tBuC6 H2 ) with Piers' borane (HB(C6 F5 )2 ).

157 cyclopentadienyl, Mes = mesityl) with Piers' borane [HB(C6F5)2] and carbon monoxide (CO) gave the for

158 of dimesitylnorbornenylphosphane with Piers' borane [HB(C6F5)2] gave the frustrated Lewis pair (FLP)

159 lylethynyl)alkenyl]ZrCp2 complex with Piers' borane [HB(C6F5)2] resulted in the clean formation of th

160 of N-allyl-tetramethylpiperidine with Piers' borane [HB(C6F5)2].

161 Dehydrocoupling reactions between the boranes HBpin and 9-borabicyclo[3.3.1]nonane and a range

162 Al, C, N, P, O) sigma bonds of H2, silanes, borane (HBpin, pin = pinacolate), allane (NacNacAlH2), p

163 Boranes, heteroboranes and metallacarboranes, all named

164 ar are cleaved by the tris(pentafluorophenyl)borane/HSiR(3) catalyst system.

165 With heteroaryl disulfides, the NHC-borane in the primary NHC-boryl sulfide product migrates

166 triflates with N-heterocyclic carbene (NHC)-boranes in the presence of diisopropyl ethyl amine provi

167 on catalysts, such as tris(pentafluorophenyl)borane, in addressing a number of the current limitation

168 ydroboration reactivity towards H-B bonds of boranes, in the former case corroborating the proposed f

169 reactivity toward a variety of primary amine-boranes, including those containing reactive moieties su

170 frustrated Lewis pairs (P/B FLPs) 4 undergo borane induced phosphane addition to a variety of acetyl

171 DFT calculations demonstrate that the amino-borane interacts with the Rh centers through strong Rh-H

172 n conditions two diastereomers of a borirane-borane intermediate are isolated, which upon further red

173 species present data that support a Rh-amido-borane intermediate as the active catalyst.

174 n catalyst for the transformation of diamine boranes into cyclic 1,3,2-diazaborolidines, which can in

175 The incorporation of polyhedral boranes into novel photoluminescent materials is an area

176 corresponding tertiary hydroxyalkylphosphine-boranes involving facile reduction of the P horizontal l

177 dine-borane and the least reactive phosphine-borane is a factor of approximately 40.

178 Ammonia-mono(dinitramido)borane is a perfectly oxygen-balanced high-energy-densit

179 petitive experiments show that a typical NHC-borane is highly reactive toward rhodium carbenes.

180 etero)arenes and alkenes using electrophilic boranes is a powerful transition metal free methodology

181 s preparation of menthol-derived phosphinite boranes is also described.

182 y of B(C6F5)3 and related electron-deficient boranes is currently experiencing a renaissance due to t

183 of boranes is given, the synthesis of these boranes is discussed, and examples of how they are being

184 discussion on Lewis acidity determination of boranes is given, the synthesis of these boranes is disc

185 The B-H bond of typical boranes is heterolytically split by the polar Ru-S bond

186 nary onium salts) and a Lewis acid (triethyl borane) is described.

187 reactivities of a series of neutral ligated boranes L-BH3 (where L is NHC, amine, pyridine, or phosp

188 n of the P(2) species with CO(2), water or a borane leads to the formation of P-C, P-H or P-B bonds,

189 We herein explore whether tris(aryl)borane Lewis acids are capable of cleaving H(2) outside

190 emical reactivity for hydrogen activation by borane Lewis acids.

191 o form carbon-boron bonds in the presence of borane-Lewis base complexes, through carbene insertion i

192 2) adduct, both supported by a trisphosphine borane ligand (P(3) (B) ).

193 , thus highlighting an important role of the borane ligand both in stabilizing the d(10) Ni-(H2 ) int

194 Unlike other LZ-type borane ligands featuring a single-donor buttress, the sm

195 talytic cycle which appears to involve amine-borane ligated [CpFe(CO)](+) as a key intermediate.

196 Tris(phosphine)borane ligated Fe(I) centers featuring N(2)H(4), NH(3),

197 ligands and a complex with both borylene and borane (M --> B) ligands.

198 on of the dehydrogenation of secondary amine-borane Me(2)NH.BH(3) supports a bond-metathesis/beta-hyd

199 dehydrocoupling/dehydrogenation of the amine-borane Me2NH.BH3 (3) to afford the cyclodiborazane [Me2N

200 hthyl)-1-ethylamines were synthesized by the borane-mediated reduction of single-isomeric (E)- and (Z

201 een seen before in imine reduction involving borane-mediated Si-H bond activation provided new insigh

202 The appended boranes modulate the reactivity of a metal hydride as we

203 phane B6-(F) Mes, in which six tricoordinate borane moieties alternate with short conjugated p-phenyl

204 sented with carbazole moieties as donors and borane moieties as acceptors embedded into the ring syst

205 binding of fluoride occurs at the peripheral borane moieties resulting in the cessation of the EET (e

206 ds are redox-responsive and the Lewis acidic borane moiety in 4-BP can be exploited to further tune t

207 nd BN fragment and a BH bond of the incoming borane monomer.

208 fer polymerization of a vinyl-functionalized borane monomer.

209 s the result of thermal energy, from ammonia borane (NH3BH3), which has been suggested as a storage m

210 in the presence of an N-heterocyclic carbene borane (NHC-borane) and di-tert-butyl peroxide.

211 ere typically 40-56% for B-unsubstituted NHC-boranes (NHC-BH(3)), and somewhat lower for NHC-boranes

212 ium(II) salts catalyze reactions between NHC-boranes (NHC-BH3) and diazocarbonyl compounds (N2CRCOR')

213 Reactions of N-heterocyclic carbene boranes (NHC-boranes) with electron-poor aromatic rings

214 anion transporters, a series of phosphonium boranes of general formula [p-RPh(2) P(C(6) H(4) )BMes(2

215 he obtention of various P-chiral phosphonite-boranes, of which further coupling reactions are describ

216 like other toxic transition-metal catalysts, borane or related byproducts can be readily removed from

217 reaction prompts reaction with H2 to give a borane-oxy-borate derivative, the product of C-O bond cl

218 ewis acid unreactive to O2 , to generate bis(borane) peroxide.

219 lboranes, enabling wide applications of ROMP-borane polymers as well-defined supported organocatalyst

220 Replacing the carbocation with borane (preserving pi-accepting capabilities), ammonium

221 The dichloro(heteroaryl)borane primary products can be protected to form synthet

222 A stereospecific, borane-promoted reduction of beta-aminophosphine oxides,

223 lass of phosphine boronates (isolated as the borane-protected phosphine).

224 e tin derivative with tris(pentafluorophenyl)borane provided unique "push-pull" phosphastannene ((Mes

225 ily available 1,3-dimethylimidazol-2-ylidene borane provides reductively decyanated products in good

226 racterization reveals that the corresponding borane radical anions activate (cleave) dihydrogen, whil

227 This NHC-borane reagent is a stable, free-flowing liquid that sho

228 er mild conditions and do not require excess borane reagents.

229 appropriately protected polyhistidines with borane, reducing the carbonyl groups to methylenes.

230 C to 5-carboxylcytosine (5caC) with pyridine borane reduction of 5caC to dihydrouracil (DHU).

231 ct observation of free formaldehyde from the borane reduction of CO2 catalyzed by a polyhydride ruthe

232 tion of nitromethane to acrylate followed by borane reduction of the ester group and the key 1,3-dipo

233 gand is shown to promote a significant metal-borane reverse-dative sigma-interaction akin to multiply

234 lysts for the dehydropolymerization of amine-boranes RNH(2).BH(3).

235 we describe the dehydrogenation of phosphine-boranes, RR'PH.BH(3), using a CAAC, which behaves as a s

236 We present long-read Tet-assisted pyridine borane sequencing (lrTAPS) for targeted base-resolution

237 ion sequencing method, TET-assisted pyridine borane sequencing (TAPS), for detection of 5mC and 5hmC.

238 ive radical-based reduction in which the NHC borane serves as the hydrogen donor, thus obviating the

239 rane, that reversibly binds additional amine-borane so that saturation kinetics (Michaelis-Menten typ

240 ion is suggested in which the putative amido-borane species dehydrogenates an additional H3B.NMeH2 to

241 to be a function of the Lewis acidity of the borane substrate, and is dictated by resultant pre-equil

242 ration of highly functionalized cyclic amine-borane substrates, which could not be achieved using oth

243 the dehydrocoupling/dehydrogenation of amine-boranes, such as Me(2) NHBH(3).

244 The synthesis of a bis(borane)-supported peroxide anion and its structural and

245 ))(3), to generate a Mo(I) species and a bis(borane)-supported peroxide dianion, [[(F(5)C(6))(3)B](2)

246 Here we describe a tris(phosphine)borane-supported iron complex that catalyses the reducti

247 boratranes and herein describe a diphosphine-borane-supported Ni-(H2 ) complex, [((Ph) DPB(iPr) )Ni(H

248 When compared with the silane-borane system, the silane-alane system offers unique fea

249 A palladium-boronate/borane-system -catalyzed isomerization of olefins has be

250 lphosphine oxides into hydroxyalkylphosphine-boranes takes place with complete inversion of configura

251 Instead, using mixed boranes (tBuBMe2), the synthesis of adjacent quaternary

252 rent reductants such as borane-ammonia (AB), borane-tert-butylamine (TBAB), and sodium tetrahydridobo

253 d palladium nanoparticles are treated with a borane tetrahydrofuran solution.

254 experiments were done with an axially chiral borane that was introduced by us a few years ago, and th

255 e active catalyst, proposed to be a Rh-amido-borane, that reversibly binds additional amine-borane so

256 ytic principles in the hydrolysis of ammonia-borane, the highest total turnover frequency among these

257 basis of the addition of diethyl phosphonite-borane to a glucal-derived aldehyde, followed by a cycli

258 Most notably, 1 reacts with catechol borane to afford the unprecedented hydroborylene-coordin

259 e mechanism may involve oxidation of the NHC-borane to an NHC-boryl radical, reduction of the electro

260 does it undergo electron redistribution with borane to furnish a heteroatomic group 13 ring exhibitin

261 ET (electronic energy transfer) process from borane to porphyrin core and with negligible negetive co

262 al; and 4) hydrogen abstraction from the NHC-borane to return the initial NHC-boryl radical and metha

263 rifluoromethyl radical from the starting NHC-borane to return the NHC-boryl radical along with triflu

264 itial stage of hydride transfer from the NHC-borane to the acetylenedicarboxylate.

265 AAC) via 1,2-hydrogen migration triggered by boranes to afford cAAC-borane adducts.

266 rect addition of anionic secondary phosphine boranes to carbodiimides yields both chiral and achiral

267 the dehydrocoupling/dehydrogenation of amine-boranes to form oligo- and polyaminoboranes.

268 ging from weakly Lewis acidic aryl and alkyl boranes to various alkyl borates.

269 syl complexes stabilized by a tris(phosphine)borane (TPB) ligand is described.

270 stable radical anions of two highly hindered boranes: tris(3,5-dinitromesityl)borane and tris(mesityl

271 lds both chiral and achiral phosphaguanidine boranes under ambient temperature conditions.

272 bles but is not isoelectronic with the known borane version B21H18(-) or as a large hypho-deltahedron

273 ss a variety of olefins (vinyl amides, vinyl boranes, vinyl phosphonates) at room temperature in a hi

274 ly, the over-oxidized ammoniabis(dinitramido)borane was detected by NMR spectroscopy.

275 When the ammonia borane was encapsulated within a polycarbonate (PC) micr

276 Ammonia borane was placed in a brass reservoir, heated continual

277 Triethyl borane was the Lewis acid chosen to activate the epoxide

278 The boranes were converted into tertiary alcohols or C-terti

279 ional Ru complexes with pendent Lewis acidic boranes were prepared by late-stage modification of an a

280 Two ammonia-(dinitramido)boranes were synthesized by the reaction of dinitroamine

281 by the reactivity of the substrates with the borane, which could be strongly influenced by the format

282 In contrast to boranes, which act as electron acceptors and thus Lewis

283 vity of in situ generated alkylarylphosphido-boranes, which are normally configurationally unstable i

284 The reaction of a Lewis acidic borane with an alkyne is a key step in a diverse range o

285 ization reaction using a highly Lewis acidic borane with concomitant C-H or C-C bond formation.

286 s-(2,6-diisopropylphenyl)-imidazol-2-ylidene borane with dimethyl acetylenedicarboxylate gives 80% yi

287 as achieved by alkylation of phenylphosphine borane with gamma-iodo-alpha-amino ester reagents under

288 route to reach the interesting cyclic amine borane with high efficiency.

289 substantially more reactive than our chiral borane with just one C6F5 group.

290 is prepared by the reaction of dimethylamine-borane with methylmagnesium chloride.

291 tereospecific reaction of oxazaphospholidine borane with organolithium reagents, followed by trapping

292 Removal of the B(C(6)F(5))(3) borane with pyridine liberated one equiv of carbon monox

293 yielding E/Z mixtures of dibromo(bromovinyl)borane with the Z-isomer as a major product (up to 85%).

294 loped involving treatment of the alkenyl NHC-boranes with AIBN and tert-dodecanethiol.

295 anes (NHC-BH(3)), and somewhat lower for NHC-boranes with B-substituents (NHC-BH(2)R).

296 lidene-borane (diMe-Imd-BH3) and related NHC-boranes with diaryl and diheteroaryl disulfides provide

297 The reaction of aryl- and amino(dihydro)boranes with dibora[2]ferrocenophane 1 leads to the form

298 p chemistry aspect, reactions of various NHC-boranes with simple organic dinitriles selectively provi

299 ion (with H3B.NMeH2) or elimination of amino-borane (with H3B.NMe2H) follows, in which N-H activation

300 tions of N-heterocyclic carbene boranes (NHC-boranes) with electron-poor aromatic rings under photore