Process for preparing oxazole intermediates

Details Process for preparing oxazole intermediates Process for preparing oxazole intermediates

2006-10-03

2006-10-03

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07115747

ABSTRACT:
Disclosed are compounds of formula III and a process to prepare a compound of formula IIIwherein R1, R2, R3and R6are defined herein, using a zinc chloride/optionally substituted oxazole adduct and an compound of formula I. Further disclosed are methods of using compounds of formula III to prepare compounds useful in the treatment of Alzheimer's disease and related conditions.

REFERENCES:
patent: WO 02/02512 (2002-01-01), None
patent: WO 03/029169 (2003-04-01), None
patent: WO 03/040096 (2003-05-01), None
patent: WO 2005/049585 (2005-06-01), None

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