Wittig olefination of methyl (1S,2R)-1-benzamido-2-formylcyclopropanecarboxylate. A powerful tool for the synthesis of new conformationally constrained cyclopropyl amino acids

Article abstract of DOI:10.1016/0040-4020(96)00218-9

The behaviour of methyl (1S,2R)-1-benzamido-2-formylcyclopropanecarboxylate with stabilised and semi-stabilised ylids has been tested in order to evaluate its synthetic utility in the synthesis of cyclopropyl amino acids by Wittig olefination. Wittig addu