Tetraalkylammonium alkoxides

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

Reexamination Certificate

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C549S511000, C564S281000

Reexamination Certificate

active

06878833

ABSTRACT:
A process for preparing N-acyl, N-sulfonyl and N-phosphoryl substituted isoserine esters in which a metal or an ammonium alkoxide is reacted with a β-lactam.

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