Indolinospiropyrane compounds

Details Indolinospiropyrane compounds Indolinospiropyrane compounds

1980-01-04

1982-07-13

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D491107

Patent

active

043393853

ABSTRACT:
An indolinospiropyrane compound of the formula ##STR1## wherein R.sub.1 represents alkyl which has at most 12 carbon atoms and is unsubstituted or substituted by halogen, hydroxyl, cyano, lower alkoxy or lower alkyl-carbonyloxy, or cycloalkyl, phenyl or benzyl or phenyl or benzyl which are substituted by halogen, nitro, lower alkyl or lower alkoxy,

REFERENCES:
patent: 3950356 (1976-04-01), Hinnen
patent: 4238562 (1980-12-01), Ishida
Chem. Abstracts, 8th Collective Index, entries under "Spiro [2H-1-benzopyran-2,2'-indoline", Subject Index, 1967-1971.

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