Dihydoxyhexanoic acid derivatives, their intermediates, and...

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

Reexamination Certificate

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C544S355000

Reexamination Certificate

active

06858744

ABSTRACT:
This invention relates to dihydroxyhexanoic acid derivatives and their intermediates, as well as to methods of preparing such compounds. Additionally, present invention relates to removing a protecting group from a protected amine wherein the method comprises reacting the protected amine with phosphoric acid.

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