Preparation of phthalanes

Details Preparation of phthalanes Preparation of phthalanes

2005-06-07

2005-06-07

Dentz, Bernard (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06903228

ABSTRACT:
Citalopram and other phthalanes are made by reacting a salt of a compound of formula (II) where R1is halogen and R2is halogen, trifluoromethyl, cyano or R—CO— where R is a C1-4alkyl group, with cuprous cyanide.

REFERENCES:
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patent: 0013648 (2000-03-01), None
patent: 0145483 (2001-06-01), None

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