A new route to 1,4-oxazepanes and 1,4-diazepanes from Garner aldehyde
作者:Sanjit Kumar Das、Ajay Kumar Srivastava、Gautam Panda
DOI:10.1016/j.tetlet.2010.01.035
日期:2010.3
A highly efficient and convenient method for the synthesis of substituted chiral 1,4-oxazepanes and 1,4-diazepanes have been described from Garneraldehyde through reductive amination with amino ester hydrochlorides followed by intramolecular cyclization as the key steps.