Method for the production of (3-alkoxycarbonyl-2-butenyl) triphe

Details Method for the production of (3-alkoxycarbonyl-2-butenyl) triphe Method for the production of (3-alkoxycarbonyl-2-butenyl) triphe

1997-06-13

1998-07-07

Richter, Johann

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

Organic compounds

Nitriles

C07C25330

Patent

active

057771499

ABSTRACT:
Novel processes and intermediates useful for the manufacture of the Wittig ester salts are disclosed. The Wittig ester salts are known as important C.sub.5 building blocks for the manufacture of various polyenecarboxylic acid esters in the field of carotenoid chemistry.

REFERENCES:
patent: 5502236 (1996-03-01), Burdet et al.
patent: 5631398 (1997-05-01), Burdet et al.
patent: 5681977 (1997-10-01), Burdet et al.

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