98015-09-9Relevant articles and documents
Facile Intramolecular Tosylhydrazone-Mediated Cyclopropanation Reactions of 4-(2-Formylphenyl)-1,4-dihydropyridines
Remy, David C.,King, Stella W.,Cochran, David,Springer, James P.,Hirshfield, Jordon
, p. 4120 - 4125 (2007/10/02)
Hantzsch-type 4-(2-formylphenyl)-1,4-dihydropyridine derivatives 4-7 undergo facile intramolecular tosylhydrazone-mediated cyclopropanation reactions to afford the highly constrained analogues 16-19, respectively.Prior formation of the conjugate anions of