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Synthesis of the hindered N,N,N′-trisubstituted guanidine moiety of martinelline and martinellic acid
Journal article

Synthesis of the hindered N,N,N′-trisubstituted guanidine moiety of martinelline and martinellic acid

Barry B Snider and Sean M O'Hare
Tetrahedron letters, Vol.42(13), pp.2455-2458
2001

Abstract

alkaloids cyanides guanidines Organic Chemistry
Hindered guanidines can be prepared by reaction of cyanamides with amines in hexafluoroisopropanol at 90–120°C. This sequence was used for preparing guanidinium acid 21 as a model for martinellic acid.

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