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Search results for: hydroboration

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... 129, 16119-16125. DOI: 10.1021/ja0762285 (free Supporting Information) Abstract Hydroboration of 1-halo-1-alkynes with dicyclohexylborane, reaction with t-BuLi, and transmetalation with dialkylzinc reagents ...
URL: https://www.organic-chemistry.org/abstracts/lit1/982.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: https://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: https://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: https://www.organic-chemistry.org/Highlights/2013/02September.shtm
... amines, such as 5 to 6, with anti-Markovnikov selectivity by a sequence of hydroboration and copper-catalyzed amination. Related products such as 8 were prepared (Org. ...
URL: https://www.organic-chemistry.org/Highlights/2013/18March.shtm
... proceeded smoothly. The tetracyclic 8 could be brought to high ee by recrystallization. Hydroboration followed by reduction then delivered the diol aldehyde 9, that was converted to ...
URL: https://www.organic-chemistry.org/Highlights/2014/01December.shtm
... Org. Lett. 2017, 19, 3067.) high enantioselectivity in the hydroboration of 9, leading to 10. José Alemán of the Universidad Autónoma de ...
URL: https://www.organic-chemistry.org/Highlights/2018/19February.shtm
... an acetylene, which they hydroborate to produce the required boronic acid. For the hydroboration, though, they used a reagent I ' ve never seen before, ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn02/marinomycin-nicolaou.shtm
... predominant pathway. see article for more examples Regio- and Stereoselective Ni-Catalyzed 1,4-Hydroboration of 1,3-Dienes: Access to Stereodefined (Z )-Allylboron Reagents and Derived ...
URL: https://www.organic-chemistry.org/abstracts/lit2/594.shtm
... ., 2011, 76, 9102-9108. Regio- and Stereoselective Ni-Catalyzed 1,4-Hydroboration of 1,3-Dienes: Access to Stereodefined (Z )-Allylboron Reagents and Derived ...
URL: https://www.organic-chemistry.org/abstracts/lit3/044.shtm
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