Diastereoselective synthesis process with...

Details Diastereoselective synthesis process with... Diastereoselective synthesis process with...

2005-04-28

2009-08-11

Seaman, D. Margaret (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C546S157000

Reexamination Certificate

active

07572916

ABSTRACT:
A diastereoselective synthesis process for the preparation of (R)-(+)-6-[amino(4chlorophenyl)(1-methyl-1H-imidazol-5-yl) methyl]-4-(3-chlorophenyl)-1-methyl2(1H)-quinolinone which comprises the preparation of a compound of formula (XVII): and the stereochemically isomeric forms thereof wherein R is C1-6alkyl or C1-6alkylphenyl.

REFERENCES:
patent: 2007/0293679 (2007-12-01), Filliers et al.
patent: WO 97/21701 (1997-06-01), None
patent: WO 01/51127 (2001-07-01), None
patent: WO 01/53289 (2001-07-01), None
patent: WO 02/20015 (2002-03-01), None
patent: WO 02/072574 (2002-09-01), None
patent: WO 02/079147 (2002-10-01), None
International Search Report PCT/EP2005/051932 dated Aug. 5, 2005.
Shaw A.W. et al ‘Asymmetric Synthesis of alpha, alpha-diaryl and alpha-aryl-alpha-hetroaryl alkylamines by organometallic additions to N-tert-butanesulfinyl ketimines’ Tetrahedron Letters, vol. 42, No. 41, (2001) pp. 7173-7176.

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