Process for preparing substituted chroman derivatives

Details Process for preparing substituted chroman derivatives Process for preparing substituted chroman derivatives

1999-12-13

2000-10-24

Dentz, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549406, 549407, 549416, 549419, 549420, 549423, C07D31158, C07D31166, C07D30930

Patent

active

061369861

ABSTRACT:
The invention relates to a process for preparing substituted chroman derivatives of the general formula VII, ##STR1## where X is the group --CN, --COOR.sup.3, --CHO, --CH.sub.2 OR.sup.7 or --CH(OR.sup.8).sub.2,

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