Journal
ORGANIC LETTERS
Volume 21, Issue 22, Pages 8997-9000Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b03402
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Funding
- French Ministry of Research
- CNRS
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Linear N-alkenyl or alkynyl N-sulfonyl 1-aminobut-3-yn-2-ones are converted into bicyclic indolizines and pyrrolo[1,2-alpha]azepine-type alkaloids upon gold(I) catalysis (17 examples, 10-85%). The reaction cascade allowed formation of C-N, O-S, and C-C bonds via a cycloisomerization/sulfonyl migration/cyclization process using 10 mol % of [(2-biphenyl)di-tert-butylphosphine]gold-(I) triflimide complex in dichloromethane.
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