Journal
CHINESE JOURNAL OF ORGANIC CHEMISTRY
Volume 40, Issue 8, Pages 2520-2525Publisher
SCIENCE PRESS
DOI: 10.6023/cjoc202003024
Keywords
phthaline diamine; alkyne; bifunctional phosphine ligand; gold catalysis; 1,5-benzodiazepine
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Funding
- National Natural Science Foundation of China [21772176, 21372201]
- Natural Science Foundation of Zhejiang Province [LY20B020013]
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At room temperature, a bifunctional phosphine-gold(I) catalyst was used to catalyze the nucleophilic addition/ cyclization reaction of o-phenylenediamines with alkynes to generate 1,5-benzodiazepines in one step. The reaction has the advantages of high atomic-economy, simple raw materials, convenient operation and mild reaction conditions.
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