Novel pentacyclic compound and stereoselective synthesis thereof

Details Novel pentacyclic compound and stereoselective synthesis thereof Novel pentacyclic compound and stereoselective synthesis thereof

1989-09-01

1990-11-27

Shah, Mukund J.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 73, C07D49808

Patent

active

049736930

ABSTRACT:
Novel pentacyclic compounds having antimicrobial and antitumor activity and a process for preparing the same. The pentacyclic compounds are also usefual as intermediates in the production of known tetracyclic antitumor compounds.

REFERENCES:
patent: 4645765 (1987-02-01), Kohsaka et al.
Shimamura et al., J. Antibiotics, 40, 1987, pp. 600-606.
Kiyoto et al., J. Antibiotics, 40, 1987, pp. 594-599.
Iwami et al., J. Antibiotics, 40, 1987, 589-593.
Uchida et al., JACS., 109, 1987, pp. 4108-4109.

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