Process for preparing functionalized γ-butyrolactones...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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C549S324000

Reexamination Certificate

active

07071339

ABSTRACT:
A process for preparing functionalized γ-butyrolactones 3 and various biologically active compounds using mucohalic acid 1 and halide 2 in the presence of indium is disclosed, wherein X, Y, R1, R2, and R3may have any of the meanings defined herein

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patent: WO93/23383 (1993-11-01), None
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