209806-16-6Relevant articles and documents
Tandem Wolff rearrangement-'α-cyclization of tertiary amines' sequence: Synthesis of some 1H-2-benzopyran derivatives
Leost, Francoise,Chantegrel, Bernard,Deshayes, Christian
, p. 6457 - 6474 (2007/10/03)
The thermolyses of dimethyl 1-diazo-2-oxo(2-(N,N-disubstituted aminomethyl)phenyl)-ethylphosphonates 6a-e of the related ester of 6f afford 1-disubstituted amino-1H-2-benzopyran derivatives 9a-f through a 3-step sequence involving Wolff rearrangement, [1,