Method for the separation of intermediates which may be used...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S302000, C564S303000, C568S811000, C558S044000, C558S415000, C558S422000, C435S280000

Reexamination Certificate

active

08067640

ABSTRACT:
The present invention relates to a novel method for the preparation of diol intermediates having the formula (II) and/or the opposite enantiomer of an acylated diol having the formula (IV) useful for the preparation of escitalopram involving selective enzymatic acylation or deacylation.

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