Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2006-07-18
2006-07-18
Solola, Taofiq (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
Reexamination Certificate
active
07078572
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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Goudie Joy S.
Solola Taofiq
Wyeth Holdings Corporation
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