Beilstein J. Org. Chem.2013,9, 392–400, doi:10.3762/bjoc.9.40
; DFTcalculationsDiels–Alderreaction; Introduction
There is an increasing emphasis on the synthesis of optically pure compounds, as far as possible, for environmental, economic and social reasons. Using chiral auxiliaries for changing enantiotopic faces into diastereotopic faces is a common approach
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Graphical Abstract
Scheme 1:
Diels–Alder reaction of 2-phosphaindolizines.