Chroman derivatives

Details Chroman derivatives Chroman derivatives

1976-06-28

1977-12-13

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260239B, 260268H, 260268PH, 26029358, 2603268, 2603455, 260612D, 424246, 424248, 424249, 424250, 424256, 424283, 4242485, 42424852, 544 62, 42424855, 42424856, 544151, 544185, 42424854, 42424858, 42424857, C07D31102, A01K 3135

Patent

active

040628701

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sub.3 is hydrogen, halogen, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkoxyl of 1 to 6 carbon atoms, alkenyloxyl of 2 to 6 carbon atoms, alkylthio of 1 to 6 carbon atoms, hydroxyl, amino, alkylamino of 1 to 6 carbon atoms, dialkylamino of 1 to 6 carbon atoms, nitro, trifluoromethyl, acylamino of 2 to 7 carbon atoms, alkoxysulphonylamino of 1 to 6 carbon atoms, carboxyl, nitrile, AOR.sub.4, ASR.sub.7, ASO.sub.2 R.sub.7, ANHR.sub.7, ANR.sub.7 COR.sub.8, ANR.sub.7 SO.sub.2 R.sub.8 or ANR.sub.7 CO.sub.2 R.sub.8, wherein A is alkylene of 1 to 4 carbon atoms, R.sub.7 is alkyl of 1 to 4 carbon atoms and R.sub.8 is alkyl of 1 to 4 carbon atoms;

REFERENCES:
livingstone, J. Chem. Soc., pp. 76-79, (1962).
Harfenist et al., J. Org. Chem., 37, 841 (1972).
Hlubucek et al., Aust. J. Chem., 24, 2317, (1971).

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