Title (en)

AN EFFICIENT AND STEREOSELECTIVE PROCESS FOR LARGE SCALE SYNTHESIS OF 3-(R)-3- (2,3-DIHYDROBENZOFURAN-5-YL)-1,2,3,4- TETRAHYDROPYRROLO{3,4-B}QUINOLIN-9-ONE

Title (de)

EFFIZIENTES UND STEREOSELEKTIVES VERFAHREN ZUR MASSENSYNTHESE VON 3-(R)-3-(2,3-DIHYDROBENZOFURAN-5-YL)-1,2,3,4-TETRAHYDROPYRROLO{3,4-B}CHINOLIN-9-ON

Title (fr)

PROCEDE EFFICACE ET STEREOSELECTIF DE SYNTHESE A GRANDE ECHELLE DE 3-(R)-3- (2,3-DIHYDROBENZOFURAN-5-YL)-1,2,3,4- TETRAHYDROPYRROLO{3,4-B}QUINOLIN-9-ONES

Publication

EP 1851227 A4 20100310 (EN)

Application

EP 06735630 A 20060221

Priority

• US 2006006061 W 20060221
• US 65635305 P 20050225
• US 66595405 P 20050329

IPC 8 full level

A61K 31/437 (2006.01); C07D 405/04 (2006.01); C07D 471/04 (2006.01); C07D 491/04 (2006.01)

CPC (source: EP)

C07D 405/04 (2013.01); C07D 471/04 (2013.01)

Citation (search report)

• [AD] WO 0187882 A2 20011122 - ORTHO MCNEIL PHARM INC [US]
• [AD] WEIQIN JIANG ET AL.: "Potassium Superoxide as an Alternative Reagent for Winterfeldt Oxidation of beta-Carbolines", ORGANIC LETTERS, vol. 5, no. 1, 2003, pages 43 - 46, XP002564493
• [AD] WEIQIN JIANG ET AL.: "Synthesis of optically pure pyrroloquinolones via Pictet-Spengler and Winterfeldt reactions", TETRAHEDRON LETTERS, ELSEVIER, AMSTERDAM, NL, vol. 43, no. 49, 2 December 2002 (2002-12-02), pages 8941 - 8945, XP004391871, ISSN: 0040-4039
• [A] WEIQIN JIANG ET AL.: "Furoyl and benzofuroyl Pyrroloquinolones as Potent and Selective PDE5 Inhibitors for Treatment of Erectile Dysfunction", JOURNAL OF MEDICINAL CHEMISTRY, vol. 46, no. 3, 2003, pages 441 - 444, XP002564494
• See references of WO 2006093719A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1851227 A1 20071107; EP 1851227 A4 20100310; JP 2008531570 A 20080814

DOCDB simple family (application)

EP 06735630 A 20060221; JP 2007557100 A 20060221