Process for producing the antibiotic and antitumor agents LL-E33

Details Process for producing the antibiotic and antitumor agents LL-E33 Process for producing the antibiotic and antitumor agents LL-E33

1988-02-29

1991-02-26

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536 41, 536 168, 536 169, 536 176, 536 184, 536 181, 536 172, 536 553, 536122, C07H 1500, C07H 100

Patent

active

049963058

ABSTRACT:
Processes for producing antibacterial and antitumor agents designated LL-E33288.epsilon.I and LL-E33288.epsilon.-Br using triphenylphosphine or a sulfhydryl-containing reagent are disclosed. Processes for producing reductively aromatized derivatives of other antibiotics are also disclosed.

REFERENCES:
patent: 4539203 (1985-09-01), Brankiewicz et al.
patent: 4554162 (1985-11-01), Young et al.
patent: 4837206 (1989-06-01), Golik
Bunge et al; J. Antibiotics, 37(12):1566-1571 (1984).
Iwami et al; J. Antibiotics, 38(7):835-839 (1985).
Kiyoto et al; J. Antibiotics, 38(7):840-848 (1985).
Konishi et al; J. Antibiotics, 38(11):1605-1609 (1985).
Fry et al; Investigational New Drugs, 4:3-10 (1986).
Lee et al; J. Am. Chem. Soc., 109:3464-3466 (1987).
Schreiber et al; J. Am. Chem. Soc., 110:631-633 (1988).

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