Process for the preparation of polycyclic compounds using ferric

Details Process for the preparation of polycyclic compounds using ferric Process for the preparation of polycyclic compounds using ferric

1992-04-30

1994-06-14

Higel, Floyd D.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540454, 540468, 540476, 549383, C07D30793, C07D31754, C07D40708, C07D40710

Patent

active

053211359

ABSTRACT:
Polycyclic compounds (I) can be prepared in accordance with the following reaction formula: ##STR1## wherein R.sub.1 -R.sub.8 each represents a hydrogen atom, a hydroxyl group, an alkoxyl group or a substituted or unsubstituted benzyloxy group or neighboring two groups of R.sub.1 -R.sub.8 are coupled together to form an alkylenedioxy group; and A is an alkylene group which may be substituted by one or more alkoxycarbonyl groups, an alkenylene group which may be substituted by one or more alkoxycarbonyl groups, or a group represented by any one of the following formulas: ##STR2##

REFERENCES:
Cambie et al., Chemical Abstracts, vol. 94, #174760d (1981).
Landais et al., Tetrahedron Letters, vol. 27, No. 16, pp. 1785-1788 (1986).
Landais et al. II, Tetrahedron Letters, vol. 27, No. 44, pp. 5377-5380 (1986).
Landais et al. III, Tetrahedron Letters, vol. 28, No. 43, pp. 5161-5164 (1987).
Landais et al. IV, Tetrahedron, vol. 47, No. 23, pp. 3787-3804 (1991).
Robin et al. I, Chemical Abstracts, vol. 110, #75090c (1989).
Robin et al. II, J. Org. Chem., vol. 53, pp. 224 to 226 (1988).
Ronlan et al., J. Org. Chem., vol. 39, pp. 1014 to 1016 (1974).
Chemical Abstracts, vol. 115, No. 16, Oct. 21, 1991, No. 168941Az, J. B. Fernandez, et al., "Synthesis of Dibenzocyclooctadiens by Anodic Oxidation".

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