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Search results for: hydroboration

127 results found.

13 pages of results.
... and efficient method converts aldehydes into ?,?-unsaturated aldehydes with a two-carbon homologation. Hydroboration of ethoxy acetylene with BH 3 SMe 2 generates tris(ethoxyvinyl) borane ...
URL: http://www.organic-chemistry.org/abstracts/lit2/541.shtm
... with bifunctional &# 947-boryl-substituted allylborane reagents, which were generated in situ by the hydroboration of allenes with diisopinocampheylborane. The stereospecificity is discussed. see article for more ...
URL: http://www.organic-chemistry.org/abstracts/literature/078.shtm
... 1814-1820. DOI: 10.1055/s-2004-829165 see article for more reactions Abstract A mild hydroboration of various 1-alkynes with pinacolborane was achieved in the presence of a catalytic amount ...
URL: http://www.organic-chemistry.org/abstracts/literature/360.shtm
... Supporting Information) Abstract A method for highly selective anti-Markovnikov hydroamination of terminal alkenes involves hydroboration of the alkene followed by a novel electrophilic amination of the alkyl borane catalyzed ...
URL: http://www.organic-chemistry.org/abstracts/lit3/616.shtm
... HYDROZIRCONATION; REAGENTS; ALKYNES Thexylborane- A Highly Versatile Reagent for Organic Synthesis via Hydroboration. E. Negishi, H. C. Brown, Synthesis, 1974 ...
URL: http://www.organic-chemistry.org/abstracts/authors/negishi-e.shtm
... : 10.1002/anie.200601206 (free Supporting Information) see article for more reactions Abstract Hydroboration with catecholborane, followed by treatment with easily available reagents such as alkenyl sulfones ...
URL: http://www.organic-chemistry.org/abstracts/lit1/394.shtm
... DOI: 10.1021/jo070724u (free Supporting Information) Abstract Alkylboranes, generated by hydroboration of terminal olefins with 9-BBN-H, underwent smooth coupling with carbamoyl chlorides in the ...
URL: http://www.organic-chemistry.org/abstracts/lit1/791.shtm
... ready for the long-awaited Suzuki coupling, in fact the TIPS protecting group substantially slowed hydroboration. The free alcohol/methyl acetal was the best substrate for hydroboration, ...
URL: http://www.organic-chemistry.org/Highlights/2010/04January.shtm
... but the steric bulk of the ketal of 4 was needed to direct the subsequent hydroboration. Indeed, the alkene of 5 was so congested that excess BH 3 ...
URL: http://www.organic-chemistry.org/Highlights/2012/03September.shtm
... with the Petasis reagent, the Boc-protected ?-lactam was converted to the alkene 15. Hydroboration proceeded to give the alcohol 16 as a single diastereomer. Reduction followed by ...
URL: http://www.organic-chemistry.org/Highlights/2013/02September.shtm
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