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1 ng from common organoborane processes (e.g., hydroboration).
2 is, but these reagents cannot be prepared by hydroboration.
3 ylidene as a key step for the apparent trans-hydroboration.
4 a second site-selective and enantioselective hydroboration.
5 an example where it is ubiquitously invoked, hydroboration.
6 sults in a switch to dominant intermolecular hydroboration.
7 4-center process and without competing retro-hydroboration.
8 The alkene was converted to an alcohol via hydroboration.
9 enation of the alkene competes with internal hydroboration.
10 distinct hydrofunctionalization of olefins, hydroboration.
11 diates in catalytic transformations, such as hydroboration.
12 xidation and arenophile-mediated dearomative hydroboration.
13 ting inter- and intramolecular alkene/alkyne hydroboration.
14 bon-boron bond, similar to the mechanism for hydroboration.
15 up of the 3-octene and 1-cyclohexyl-1-butene hydroborations.
16 olefins, giving a unique tool for selective hydroborations.
17 should serve as a reagent of choice for such hydroborations.
18 suggest a reaction pathway proceeding by 1,2-hydroboration, 1,1-carboboration, and transborylation to
20 TMSCl in the presence of alkenes resulted in hydroboration, 84-86% ee for (Z)-alkenes, but (E)-alkene
22 gen borrowing reactions, hydrosilylation and hydroboration, addition reactions and substitution react
23 rminal alkenes undergo this enantioselective hydroboration, affording the corresponding chiral alkylb
24 (MOF) catalysts for alkene hydrogenation and hydroboration, aldehyde/ketone hydroboration, and arene
25 e (boracyclopropane) formed by formal double hydroboration along with 5% of the (E)-alkenylborane.
26 C3 extension (allylation), a chemoselective hydroboration, an alkyne reduction, and an oxidation of
27 tified for the highly enantioselective alpha-hydroboration and alpha-hydroamination of the styrenyl i
28 undisclosed stereoselective catalytic diene hydroboration and also establishes a strategy for the al
29 hough the calculations also highlight alkene hydroboration and amine-borane dehydrocoupling as compet
31 over numbers of up to 8.4 x 10(4) for ketone hydroboration and could be reused more than 10 times.
32 e HBpin and (n)BuNH(2) and so disfavors both hydroboration and dehydrocoupling while allowing alkene
34 gation and transition-metal-catalyzed alkene hydroboration and diboration, the acyclic backbone of ba
37 hly active and selective for 1,4-dearomative hydroboration and hydrosilylation of pyridines and quino
39 efficient manner by rhodium-catalyzed alkyne hydroboration and palladium-catalyzed coupling reactions
40 cess comprises a copper-catalyzed asymmetric hydroboration and subsequent stereospecific derivatizati
42 Previously unknown details of pinene-based hydroborations and reductions are revealed for the first
44 ing-closing metathesis, a diastereoselective hydroboration, and a lactone-lactam rearrangement that w
46 itical haloboration reaction, regioselective hydroboration, and controlled oxidation (to provide sens
48 ostulated as the species that accomplish the hydroborations, and the C(2) selective migrations are at
49 er borates liberated from the adducts during hydroboration are readily hydrolyzed to give 3 and 9, wh
53 true catalyst species in reports of carbonyl hydroboration by aluminium complexes (since Al-O/B-H met
54 n and our studies indicate this proceeds via hydroboration-C3-protodeboronation to produce an interme
55 that carbonyl-directed catalytic asymmetric hydroboration (CAHB) is an efficient approach to the syn
61 metric center is set by a diastereoselective hydroboration followed by cyclization to the spirobicycl
62 atalytic system for promoting intramolecular hydroboration for the synthesis of a six-membered cyclic
63 erence being that the lines in the plots for hydroboration have positive slopes, indicating an electr
64 -step sequence involving an enantioselective hydroboration-homologation-cyclization reaction followed
65 esize alpha-aminoboronates via CuH-catalyzed hydroboration/hydroamination cascade of readily availabl
66 tigation of a variety of Lewis acids for the hydroboration-hydrolysis (reduction) of ketones with ami
67 essfully achieved, covering hydrosilylation, hydroboration, hydrovinylation, hydrogenation and [2pi+2
68 ydes via an allyl/crotyl/alkoxyallylboration-hydroboration-iodination-cyclization reaction sequence.
70 iple bond hydrogenation, hydrosilylation and hydroboration is also described along with the emergence
77 n interesting alternative approach to alkyne hydroboration, leading to the preparation of unknown com
83 nocampheylborane, which was prepared via the hydroboration of 1,1-difluoroallene, provides chiral 2,2
84 YNPHOS forms a copper complex that catalyzes hydroboration of 1,1-disubtituted alkenes with high leve
85 A catalytic regio- and stereoselective 1,4-hydroboration of 1,3-dienes was accomplished with pinaco
89 zaborine-based phosphine ligand can catalyze hydroboration of 1-buten-3-yne with unique selectivity.
90 C4-bridged FLP 23 was prepared by HB(C6F5)2 hydroboration of 1-dimesitylphosphino-2-vinylferrocene.
96 is pair-based catalyst generated via in situ hydroboration of 2-vinylnaphthalene with HB(C(6) F(5) )(
98 which is also a catalytic intermediate, for hydroboration of 4-fluorostyrene is a phenethylcopper(I)
99 observed as the dominant species during the hydroboration of 4-fluorostyrene, and this complex is no
100 on of a chiral 4-silyloxy-2-alkenylborane by hydroboration of a protected 2,3-allenol and subsequent
106 s efficient catalysts for the chemoselective hydroboration of a wide range of aldehydes and ketones u
107 le magnesium catalysts achieve the selective hydroboration of a wide range of epoxides and oxetanes y
109 an operationally convenient room temperature hydroboration of aldehydes and ketones employing Fe(acac
111 grees and 2 degrees alcohols; chemoselective hydroboration of aldehydes over ketones is attained unde
122 Highly enantioselective rhodium-catalyzed hydroboration of allylic phosphonates by pinacolborane a
123 cient and highly regio- and enantioselective hydroboration of alpha-alkyl- and alpha-aryl- acrylates,
124 tivated by 5% iodine, or by the conventional hydroboration of alpha-pinene, followed by addition of D
126 cesses start with CuH-catalyzed ring-opening hydroboration of arylidenecyclopropanes to form a mixtur
127 ; and ii) presents further evidence that the hydroboration of benzaldehyde by HBpin is not a good cat
128 has been synthesized by double radical trans-hydroboration of benzo[3,4]cycloundec-3-ene-1,5-diyne wi
129 ide this effect and direct rhodium-catalyzed hydroboration of beta-aryl and beta-heteroaryl methylide
130 lass of frustrated Lewis pairs (FLPs) by the hydroboration of bulky isocyanates (iPr2) ArNCO ((iPr2)
131 h(Me)C(H)SiH2Ph and Ph(Me)C(H)Bpin, and (ii) hydroboration of carbodiimides and pyridine to form N-bo
135 ighly active and reusable solid catalyst for hydroboration of carbonyls and imines and for hydroamina
136 Herein, a manganese-catalyzed chemoselective hydroboration of carboxylic acids has been developed wit
137 uantitatively modeled enantioselectivity for hydroboration of cis-, trans-, and gem-disubstituted alk
141 le the monometallic Cu-only system catalyzes hydroboration of CO2 with pinacolborane to produce forma
143 gio-, and stereoselective iron-catalyzed 1,4-hydroboration of dienes that affords gamma-disubstituted
145 the vinylborane generated via chemoselective hydroboration of diyne 6 with diisopinocampheylborane.
147 the synthesis of vinyl cyclopropyl alcohols, hydroboration of enynes is followed by transmetalation o
148 ) is highlighted by C-O bond cleavage in the hydroboration of esters and epoxides at room temperature
151 Iodine activation induces intramolecular hydroboration of homoallylic and bis-homoallylic amine b
152 omplexes were found to promote the catalytic hydroboration of ketones and nitriles under mild conditi
153 e-1 and Fe-2) for facilitating the selective hydroboration of ketones and unactivated imines with pin
154 styrenes as well as excellent chemoselective hydroboration of ketones over alkenes were achieved, for
155 rustrated Lewis pair (FLP) 8 was prepared by hydroboration of Mes2P-(CH2)2CH horizontal lineCH2 with
156 cation of these guidelines revealed that the hydroboration of methyl 2,3-O-methyl-6-deoxy-alpha-d-xyl
157 r soluble sulfides 3 and 9, selected for the hydroboration of more hindered olefins, reacted readily
159 borane frustrated Lewis pair was prepared by hydroboration of N-allyl-tetramethylpiperidine with Pier
160 thods are initiated by highly regioselective hydroboration of N-tosyl-substituted ynamides with dieth
161 oth intra- and intermolecular chemoselective hydroboration of nitriles and alkynes over other reducib
165 pplication of s-block metal catalysts in the hydroboration of polarized as well as unsaturated carbon
173 (imino)pyridine chelate, enabling the facile hydroboration of sterically hindered substrates such as
174 gH is a catalyst for (i) hydrosilylation and hydroboration of styrene to afford the Markovnikov produ
177 lective synthesis of l-pyranosides utilizing hydroboration of substituted exo-glucals (5-enopyranosid
180 Cu-catalyzed methods for site-selective hydroboration of terminal alkynes, where the internal or
181 niquely support Pd-catalyzed trans-selective hydroboration of terminal and internal 1,3-enynes to fur
182 ethyl complexes are active for the catalytic hydroboration of terminal, geminal, disubstituted intern
187 ) ArNCO leads to isocyanate-N/B FLP adducts, hydroboration of the bulkier (Ph2tBu) ArNCO allows isola
188 dual reduction" of the imidazole ring (i.e., hydroboration of the C horizontal lineC backbone and hyd
191 uoroborates were prepared in good yields via hydroboration of the corresponding enecarbamates using t
194 zophenone moiety was introduced by selective hydroboration of the double bond of enyne 11 at low temp
195 ver-limiting step in the catalytic cycle for hydroboration of the internal alkene is insertion of the
198 C(sp)-H bonds of terminal alkynes, for which hydroboration of the triple bond is a competing process.
200 gand that forms a highly active catalyst for hydroboration of unactivated 1,2-disubstituted alkenes,
203 recent and rapid development in the field of hydroboration of unsaturated bonds catalyzed by alkali (
205 The topical hydrogen-borrowing reactions and hydroboration of unsaturated compounds are also reported
207 ctivity, 1 was used as a precatalyst for the hydroboration of various aldehydes and ketones using HBp
208 c studies of the copper-catalyzed asymmetric hydroboration of vinylarenes and internal alkenes are re
210 Even though metal-catalyzed enantioselective hydroborations of alkenes have attracted enormous attent
214 ndergo enantioselective CuH-catalyzed second hydroboration or Cu-Bpin-catalyzed protoboration to prod
215 mercially available materials, catalyzes the hydroboration or hydrosilylation of cyclic imines with e
216 rough a concerted mechanism as in alkyne syn-hydroboration, or through an intramolecular 1,3-hydride
217 ttig rearrangement, followed by a subsequent hydroboration oxidation reaction, to afford substituted
220 the esters 3 was followed by RCM and in situ hydroboration-oxidation of the formed glycals to furnish
221 the esters 7 was followed by RCM and in situ hydroboration-oxidation of the formed glycals to furnish
223 reoselectivity was obtained in an asymmetric hydroboration-oxidation sequence carried out on a 2,2-di
224 iple RCM reaction was followed by an in situ hydroboration-oxidation to furnish the branched beta-C-t
225 te alpha-hydroxylation, a diastereoselective hydroboration-oxidation, and a directed aromatic lithiat
226 employed the chemospecific and regiospecific hydroboration/oxidation at C(16)-C(17); this method has
227 isomer 2, which in turn was synthesized via hydroboration/oxidation of the morpholine enamine of (+)
229 reduction (under Felkin-Ahn control), and a hydroboration/oxidation sequence for chain homologation.
230 but has largely proven elusive; an indirect hydroboration/oxidation sequence requiring stoichiometri
232 itols were subjected to silyl protection and hydroboration/oxidation to give the protected heptan-1-i
233 ompared to those of other reactions, such as hydroboration, oxymercuration, complexation with Ag+, an
242 e salt was synthesized using a syn-selective hydroboration/protodeboration of an alkynylboronate este
243 e possible mechanism of the enantioselective hydroboration reaction and defined the origin of the ena
244 lization of the regiochemical outcome of the hydroboration reaction mechanism, suggesting that the is
245 e(2))(3)}(n)@MSNs, catalyze the ring-opening hydroboration reaction of aliphatic and styrenic epoxide
248 her evidence confirm that the iodine-induced hydroboration reaction of homoallylic amine boranes occu
250 mployed as the catalyst for enantioselective hydroboration reaction of substituted ketones, and the c
252 ccur; ii) when using pre-purified HBpin, the hydroboration reaction with acetophenone 'catalysed' by
254 ed selectively by 4e(-) by an iron-catalyzed hydroboration reaction, leading to the isolation and com
257 Boravinylidenes are intermediates in 1,1-hydroboration reactions of alkynes en route to vinyl bor
260 Hindered trialkylboranes can undergo reverse hydroboration reactions to form allylic silanes or can b
261 ron triple bond is shown to undergo stepwise hydroboration reactions with catecholborane to yield an
266 es in 2 and 3, respectively, show remarkable hydroboration reactivity towards H-B bonds of boranes, i
268 imethylsilyl)ethyne with an extremely potent hydroboration reagent, bis(1-methyl-ortho-carboranyl)bor
270 ively reduced during an involved sequence of hydroboration/selective protodeborylation/alkyl-Suzuki c
271 featured an efficient Petasis olefination, a hydroboration sequence, a Gais's asymmetric Horner-Wadsw
273 a to compounds 6a and 6b, diastereoselective hydroboration-Suzuki cross-coupling with aryl and vinyl
274 :2 enantiomeric ratio), a diastereoselective hydroboration/Suzuki-Miyaura coupling reaction sequence,
275 steps involving monosilylation, dehydration, hydroboration, Swern oxidation, and regioselective intro
276 ng germanyl groups were much more active for hydroboration than one derived from DTBM-SEGPHOS, a liga
278 r this reaction has similarities to that for hydroboration, the major difference being that the lines
279 hers undergo chemoselective Zr(IV)-catalyzed hydroboration to afford the boron-substituted ICR substr
280 ple reaction expands the realm of asymmetric hydroboration to provide direct access to a number of ne
281 ton source, a broad range of alkenes undergo hydroboration to provide secondary boronic esters with h
283 derlying principle is also manifest in trans-hydroboration, trans-hydrosilylation, trans-hydrogermyla
284 thods were used to locate and analyze alkene hydroboration transition structures for 10-R-9-borabicyc
288 2)H-labeled aldehyde, followed by asymmetric hydroboration using alpha-pinene/9-BBN reagents to form
289 starting from alpha-pinene with 80-90% ee by hydroboration using DMAP.BH(3) (5) activated by 5% iodin
290 ng boron onto quinolines through dearomative hydroboration using easily accessible and stable phosphi
292 onding benzyloxycarbonyl compound 25 undergo hydroboration with 9-BBN-H followed by palladium-catalyz
293 uced to the cis-alkenyl pinacolboronates via hydroboration with dicyclohexylborane followed by chemos
294 able air-stable 1-alkynyl-1-boronate esters, hydroboration with dicyclohexylborane generates 1-alkeny
295 highly efficient regio- and enantioselective hydroboration with HBPin catalyzed by [(L*)Co](+)[BARF](
296 antioselective (93-99% ee) rhodium-catalyzed hydroboration with pinacolborane (PinBH) using simple ch
297 s, the intermediates of which then underwent hydroboration with pinacolborane to yield the products a
298 nylamide ((E)-1) undergoes rhodium-catalyzed hydroboration with PinBH (0.5 mol % Rh(nbd)2BF4, 1.1 mol
299 ination of the N-borylamine product of imine hydroboration with regeneration of the deformed phosphor
300 shown to act as efficient catalysts for the hydroboration (with HBpin, pin = pinacolato) of a variet