Process for preparing vitamin K

Details Process for preparing vitamin K Process for preparing vitamin K

1980-03-04

1982-03-16

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260396K, 560108, 560255, 568633, 585534, C07F 1100

Patent

active

043200656

ABSTRACT:
A process for preparing vitamins of the vitamin K.sub.1 and K.sub.2 series in their E-isomeric form through the reaction of a phenylcarbene metal complex with an enyne and intermediates in this synthesis.

REFERENCES:
patent: 2953610 (1960-09-01), Zeiss
patent: 3057839 (1952-10-01), Zeiss
patent: 3135776 (1964-06-01), Ecke
patent: 3378569 (1968-04-01), Pruett et al.
patent: 3381023 (1968-04-01), Whiting

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