Diastereomeric ester compound useful as an intermediate in the m

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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548525, 548950, 546 15, 546207, 544 6, 544584, 544 10, 544151, 544230, 544376, 540543, 540544, 540575, C07D20748

Patent

active

051772167

ABSTRACT:
The present invention provides a new diastereomer ester compound which is useful as an intermediate in the making of an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound.

REFERENCES:
patent: 4568692 (1986-02-01), Evans
patent: 4925839 (1990-05-01), Quagliato et al.
patent: 4999371 (1991-03-01), Englert et al.
patent: 5021432 (1991-06-01), Yamanaka et al.
patent: 5028711 (1991-07-01), Stenzel et al.

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