Biphenyl derivatives, process for preparing the same and interme

Details Biphenyl derivatives, process for preparing the same and interme Biphenyl derivatives, process for preparing the same and interme

1992-01-15

1993-01-26

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26314

Patent

active

051824043

ABSTRACT:
Novel biphenyl derivatives of the formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted aminocarbonyl group, aminothiocarbonyl group, a substituted or unsubstituted lower alkoxycarbonyl group, cyano group, or a group of the formula: ##STR2## one or two of R.sup.2 to R.sup.7 are hydrogen atom, and the remaining groups are the same or different and are each a lower alkoxy group, a phenyl-(lower)alkoxy group or hydroxy group, or the adjacent two groups thereof combine to form a lower alkylenedioxy group, and Alk.sup.1 is a lower alkylene group,

REFERENCES:
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Wunsche, C. et al., "Elektronestoss-Induzierte Alkyl-Und Wasserstoffwanderungen Bei Diphensaurederivaten", Tetrahedron 24:8 (1968), pp. 3407-3416.
Zhang, Honglian et al., "Syntheses of Some Derivatives of Schizandrins", Yaouxe Xuebao 1981, 16(12), 914-19.
Chem. Abstract: 96:199,255x (1982).
Chemical Abstracts 92:23, Jun. 7, 1982, p. 630, No. 1992255x.
Dallacker, Franz et al., "Preparation and Electrophilic Substitution of Phenanthro[3,4-d:5,6-d']bis(1,3-dioxole)", Chem.-Ztg. 1984, 108(10), 329-31.
Chemical Abstracts 102:13, Apr. 1, 1985, p. 700, No. 113343g.

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