Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1976-06-04
1977-12-06
Rush, Raymond V.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
260239BC, 260307F, 260251R, 2603067R, 260327R, 260333, 424244, 424246, 4242484, 424251, 424270, 424272, 424273R, 544 53, 548347, C07D26508
Patent
active
040618544
ABSTRACT:
Dihydroethanoanthracene derivatives of the formula: ##STR1## [wherein R represents a hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.1 represents a group ##STR2## (in which A represents a C.sub.2 -C.sub.4 alkylene optionally substituted by one or two C.sub.1 14 C.sub.4 alkyls or by a phenyl; and Y represents an oxygen, sulfur, or imino) or group
REFERENCES:
patent: 3488294 (1970-01-01), Annand et al.
patent: 3813378 (1974-05-01), Witte et al.
patent: 3962270 (1976-06-01), Arlt
patent: 3979405 (1976-09-01), Toth et al.
Elderfield--"Heterocyclic Compounds"--vol. 5--John Wiley & Sons, Inc., New York--p. 387.
Rush Raymond V.
Shionogi & Co. Ltd.
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