Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1977-06-17
1978-12-19
Trousof, Natalie
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
424273R, C07D49504
Patent
active
041307127
ABSTRACT:
A procedure for the synthesis of biotin is disclosed whereby unsaturated diacylated biotin precursors are catalytically hydrogenated with the substantial absence of sulfur poisoning. The hydrogenation procedure dislcosed herein results in optically pure biotin.
REFERENCES:
patent: 2487051 (1949-11-01), Mozingo
patent: 2502422 (1950-04-01), Cheney
patent: 4054740 (1977-10-01), Field
Wagner et al. Synthetic Organic Chem. p. 567, John Wiley & Sons, N.Y. 1953.
Allinger et al., Organic Chem., Worth, N.Y. 1972. pp. 532-533.
Fan Jane T.
Hoffmann-La Roche Inc.
Johnston George W.
Leon Bernard S.
Saxe Jon S.
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