Processes for the preparation of oxo-oxazoline or alloamino...

Details Processes for the preparation of oxo-oxazoline or alloamino... Processes for the preparation of oxo-oxazoline or alloamino...

2005-04-05

2005-04-05

Saeed, Kamal (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C562S512000

Reexamination Certificate

active

06875874

ABSTRACT:
A method for producing a compound represented by the general formula (I-A) or the general formula (I-B), comprising the following step:wherein R1is an optionally substituted lower alkyl, and the like; R2is a lower alkyl or an optionally substituted aralkyl, and the like; R3is a lower alkyl, characterized in that a compound represented by the general formula (II-A) or the general formula (II-B) is treated with thionyl chloride.

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