期刊
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
卷 40, 期 10, 页码 971-975出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/bkcs.11855
关键词
Hydroboration; Lithium tert-butoxide; Aldehydes; Ketones; Esters; Pinacolborane (HBpin)
资金
- National Research Foundation of Korea Grant - Korean Government [2017R1D1A1B03035412]
- National Research Foundation of Korea [2017R1D1A1B03035412] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We report the successful hydroboration of aldehydes and ketones with pinacolborane using 1 mol % lithium tert-butoxide under ambient conditions. The present protocol was applicable to various aldehydes and ketones, and the corresponding boronate esters and subsequent alcohols were obtained in good to excellent yields. In addition, this high-yielding practical method could be extended to the reduction of ester groups. Under optimized conditions, (LiOBu)-Bu-t facilitate the hydroboration of ester groups quantitatively.
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