Novel Syntheses of Tetrahydrobenzodiazepines and Dihydropyrazines via Isocyanide-Based Multicomponent Reactions of Diamines
摘要:
In this work, two novel isocyanide-based multicomponent reactions of 1,2-diamine compounds with diketene have been developed as efficient strategies for the synthesis of 2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-2-carboxamides with regiochemical control and 1,6-dihydropyrazine-2,3-dicarbonitriles in good to excellent yields at ambient temperature.
Novel Syntheses of Tetrahydrobenzodiazepines and Dihydropyrazines via Isocyanide-Based Multicomponent Reactions of Diamines
作者:Ahmad Shaabani、Ali Maleki、Fatemeh Hajishaabanha、Hamid Mofakham、Mozhdeh Seyyedhamzeh、Mojtaba Mahyari、Seik Weng Ng
DOI:10.1021/cc900125a
日期:2010.1.11
In this work, two novel isocyanide-based multicomponent reactions of 1,2-diamine compounds with diketene have been developed as efficient strategies for the synthesis of 2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-2-carboxamides with regiochemical control and 1,6-dihydropyrazine-2,3-dicarbonitriles in good to excellent yields at ambient temperature.