期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 83, 期 19, 页码 12184-12191出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.8b00586
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资金
- Ministry of Science and Technology of Republic of China [102-2113-M-003-006-MY2, 104-2628-M-003-001-MY3]
- National Taiwan Normal University (NTNU 2016 Subsidy Policy for International Collaboration and Research Projects)
The highly enantioselective conjugate addition of a variety of arylboronic acids to beta-nitroacrylates is reported to provide optically active alpha-aryl beta-nitropropionates in up to 70% yields and >99.5% ee's, which are useful building blocks for preparing chiral beta(2)-amino acids. The applicability of this transformation is demonstrated by converting 3aa into the beta(2)-amino acid 5 and transforming 3ap to beta-amino ester 7 via reduction and reductive N-alkylation. The latter compound is a precursor for preparing ent-ipatasertib.
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