Indolinospiropyrane compounds

Details Indolinospiropyrane compounds Indolinospiropyrane compounds

1977-01-21

1980-07-01

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 21, 544 62, 544143, 544373, C07D20904

Patent

active

042105919

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: 3212898 (1965-10-01), Cerreta
patent: 3999989 (1976-12-01), Ono et al.

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