期刊
CHEMICAL & PHARMACEUTICAL BULLETIN
卷 60, 期 8, 页码 1063-1066出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.c110498
关键词
intramolecular cycloaddition; nitrilimine; pyrazole; gamma-secretase inhibitor
The preparation of novel tetrahydro-1H-pyrazolo[4,3-c]pyridines is reported. Pivotal to the synthesis of these compounds was the development of mild reaction conditions to generate a highly functionalized nitrilimine capable of undergoing an intramolecular cycloaddition with a tethered alkyne. The desired cycloadduct was formed as an equal mixture of diastereomers.
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