Three synthetic approaches to triterpene-spermidine conjugate coupled at the C-3 atom have been tested. The best yield was obtained by reductive amination of betulonic acid methyl ester with spermidine.
Three synthetic approaches to triterpene-spermidine conjugate coupled at the C-3 atom have been tested. The best yield was obtained by reductive amination of betulonic acid methyl ester with spermidine.