Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing heterocyclic carbon compound having only o – n – s,...
Patent
1992-09-28
1993-12-07
Robinson, Douglas W.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing heterocyclic carbon compound having only o, n, s,...
435170, C12P 104, C12P 1708
Patent
active
052682820
ABSTRACT:
Described is a process for producing a new immunosuppressant, a C-19/C-22 cyclic hemiketal (Compound I) biotransformation analog of FR-900520, under novel fermentation conditions utilizing the novel microorganism, Streptomyces sp. (Merck Culture Collection MA6970) ATCC No. 55281. The macrolide immunosuppressant is useful in preventing human host rejection of foreign organ transplants, e.g. bone marrow, liver, lung, kidney and heart transplants.
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Chen Shieh-Shung T.
Garrity George M.
Caruso Charles M.
Merck & Co. , Inc.
North Robert J.
Osoteo Maria
Quagliato Carol S.
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