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PATENT APPLICATION PUBLICATION
INDIA
Date of filing of Application: 10/01/2005
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Application No.: 91/DEL NP/2005
Publication Date:09/06/2006
(54) Title of the Invention: “PHOSPHODIESTERASE 4 INHIBITORS, INCLUDING N-SUBSTITUTED ANILINE
AND DIPHENYLAMINE ANALOGS”
(51) International Classification : C 07 D 213/38
(31) Priority Document No. : 60/396,725
(32) Priority Date : 19.07.2002
(33) Name of priority country USA
(86) International application No. : PCT/US03/022543
Filing Date : 21/07/2003
(87) International Publication No. : WO/2004/009552
(61) Patent of Addition to
Application No.
:
N.A.
(62) Divisional to Application No. : NIL
Filed On : N.A.
Total No. of pages : 195
(71) Name of Applicant :
MEMORY PHARMACEUTICALS
CORPORATION
Address of the Applicant: 100 Philips
Parkway, Montvale, New Jersey 07645,
United States of America.
(72) Name of the Inventor:
RICHARD A. SCHUMACHER
ALLEN HOPPER
ASHOK TEHIM
JURGEN ERNST HESS
AXEL UNTERBECK
ERIK KUESTER
WILIAM FREDERICK BRUBAKER, JR.
ROBERT F. DUNN
(57) Abstract: PDE4 inhibition is achieved by novel compounds, e.g., N-substituted aniline and diphenylamine
analogs. The compounds of the present invention are of Formula (I): wherein R 1 , R 2 R 3 and R 4 are as defined
herein.
The Patent Office Journal 09/06/2006 11111
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