Synthesis and properties of isoviagra [1]. A 2-methyl-2H-pyrazolo[4,3-d]pyrimidin-7-one isomer of Viagra®

Journal of Heterocyclic Chemistry

Volumn 39, Issue 5, 2002, Pages 1055-1059

  El Abadelah, Mustafa M ^a   Sabri, Salim S ^b   Khanfar, Monther A ^b   Yasin, Hani A ^b   Voelter, Wolfgang ^b  

^a UNIVERSITY OF JORDAN   (Jordan)

^b UNIVERSITY OF TÜBINGEN   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

5 (2 ETHOXYPHENYL) 2 METHYL 3 PROPYL 6,7 DIHYDRO 2H PYRAZOLO[4,3 D]PYRIMIDIN 7 ONE; 5 [2 ETHOXY 5 (4 METHYLPIPERAZIN 1 YLSULFONYL)PHENYL] 2 METHYL 3 PROPYL 6,7 DIHYDRO 2H PYRAZOLO[4,3 D]PYRIMIDIN 7 ONE; AMIDE; CHLORIDE; HEPTANOIC ACID DERIVATIVE; KETONE DERIVATIVE; METHYLHYDRAZINE DERIVATIVE; NITRO DERIVATIVE; PIPERAZINE DERIVATIVE; POLYPHOSPHATE; SILDENAFIL; UNCLASSIFIED DRUG;

AMIDATION; ANALYTIC METHOD; ARTICLE; CHEMICAL REACTION; CHLOROSULFONYLATION; CYCLIZATION; DRUG SYNTHESIS; INFRARED SPECTROSCOPY; ISOMER; MASS SPECTROMETRY; NITRATION; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; REDUCTION;

EID: 0036746853     PISSN: 0022152X     EISSN: None     Source Type: Journal    
DOI: 10.1002/jhet.5570390532     Document Type: Article

References (25)

1. IUPAC Name: 5-[2-Ethoxy-5-(4-methylpiperazin-1-ylsulfonyl)phenyl]-2-methyl-3-propyl-6, 7-dihydro-2H-pyrazolo[4,3-d]pyrimidin-7-one.
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