Process for the synthesis of intermediates useful for the...

Details Process for the synthesis of intermediates useful for the... Process for the synthesis of intermediates useful for the...

2005-10-04

2005-10-04

Solola, Taofiq (Department: 1626)

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

Organic compounds

Carboxylic acid esters

C560S126000

Reexamination Certificate

active

06951955

ABSTRACT:
The invention is a process for the preparation of compounds of the Formula I:where R1, R2, R3, R4and R5are defined in the specification, which are intermediates useful for the preparation of tubulin inhibitors which are useful in the treatment of cancer.

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