EP 1509525 B9 20071031 - PROCESS FOR PREPARING XANTHINE PHOSPHODIESTERASE V INHIBITORS AND PRECURSORS THEREOF
Title (en)
PROCESS FOR PREPARING XANTHINE PHOSPHODIESTERASE V INHIBITORS AND PRECURSORS THEREOF
Title (de)
VERFAHREN ZUR HERSTELLUNG VON XANTHIN PHOSPHODIESTERASE V INHIBITOREN UND DEREN VORSTUFEN
Title (fr)
PROCEDE DE PREPARATION D'INHIBITEUR DE LA PHOSPHODIESTERASE V DE LA XANTHINE
Publication
Application
Priority
- US 0317042 W 20030530
- US 38447802 P 20020531
Abstract (en)
[origin: WO03101992A1] A process for preparing xanthine phosphodiesterase V inhibitors, and compounds utilized in said process. The process includes a five-step methodology for efficient synthesis of Compound (5) without intermediate purifications or separations, a dihalogenation step to synthesize Compound (7), and a coupling reaction to produce Compound (9).
IPC 8 full level
C07D 473/06 (2006.01); C07B 61/00 (2006.01); C07C 257/12 (2006.01); C07D 233/90 (2006.01)
CPC (source: EP US)
C07C 257/12 (2013.01 - EP US); C07D 233/90 (2013.01 - EP US); C07D 473/06 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated extension state (EPC)
AL LT LV MK
DOCDB simple family (publication)
WO 03101992 A1 20031211; AR 040232 A1 20050323; AT E336494 T1 20060915; AU 2003238822 A1 20031219; CA 2483923 A1 20031211; CN 100497336 C 20090610; CN 101538224 A 20090923; CN 1668618 A 20050914; CY 1105774 T1 20110202; DE 60307628 D1 20060928; DE 60307628 T2 20070809; DK 1509525 T3 20061211; DK 1509525 T5 20070730; EP 1509525 A1 20050302; EP 1509525 B1 20060816; EP 1509525 B9 20071031; ES 2270047 T3 20070401; HK 1068139 A1 20050422; JP 2005529934 A 20051006; MX PA04011862 A 20050331; PT 1509525 E 20061229; US 2003232987 A1 20031218; US 2006205943 A1 20060914; US 7074923 B2 20060711; US 7786301 B2 20100831; ZA 200408719 B 20051115
DOCDB simple family (application)
US 0317042 W 20030530; AR P030101921 A 20030530; AT 03734281 T 20030530; AU 2003238822 A 20030530; CA 2483923 A 20030530; CN 03812497 A 20030530; CN 200910132118 A 20030530; CY 061101635 T 20061113; DE 60307628 T 20030530; DK 03734281 T 20030530; EP 03734281 A 20030530; ES 03734281 T 20030530; HK 05101860 A 20050303; JP 2004509683 A 20030530; MX PA04011862 A 20030530; PT 03734281 T 20030530; US 42971906 A 20060508; US 44952603 A 20030530; ZA 200408719 A 20041027