作者:Hélène Couthon、Jean-Philippe Gourvès、Jöel Guervenou、Bernard Corbel、Georges Sturtz
DOI:10.1080/00397919908085898
日期:1999.12.1
The synthesis of tetraethyl aminocyclopropylidene-1,1-bisphosphonate 1 and tetraethyl 2-(aminomethyl)cyclopropylidene-1,1-bisphosphonate 2 are described. The key steps include Michael addition, cyclisation and Curtius reaction for compound 1 and cyclisation, azide nucleophilic substitution and Staudinger reaction for 2.