Heteroaromatization with ketene dithioacetals: Part II. Synthesis of some novel 5-aminopyrazole-3-carbonitrile, 3-carboxamide and pyrazolo[3,4-d]pyrimidin-4-one derivatives as antimicrobial agents

Article abstract of DOI:10.1080/10426500108040260

Ketene dithioacetals 1a-d are utilized for synthesis of pyrazoledithiocarboxylates 2a-d and arylaminopyrazoles 4a,b with two different substituents (o-ethoxy and p-diethylaminosulfonyl) in aryl residue. Some transformation of the dithioesters 2 are described. After that arylaminopyrazoles 4a,b are converted to pyrazolopyrimidine derivatives 8-11.

Full text of DOI:10.1080/10426500108040260

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Phosphorus, Sulfur, and Silicon
and the Related Elements
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HETEROAROMATIZATION WITH
KETENE DITHIOACETALS:
PART II. SYNTHESIS OF SOME
NOVEL 5-AMINOPYRAZOLE-3-
CARBONITRILE, 3-
CARBOXAMIDE AND
PYRAZOLO[3,4-d]PYRIMIDIN-4-
ONE DERIVATIVES AS
ANTIMICROBIAL AGENTS
Saber M. Hassan a , Hussein A. Emam a & Mahmoud
M. Abdelall a
a Chemistry Department, Faculty of Science, Al-
Azhar University, Nasr City, 11884, Cairo, Egypt
Published online: 04 Oct 2006.
To cite this article: Saber M. Hassan , Hussein A. Emam & Mahmoud M. Abdelall
(2001): HETEROAROMATIZATION WITH KETENE DITHIOACETALS: PART II. SYNTHESIS
OF SOME NOVEL 5-AMINOPYRAZOLE-3-CARBONITRILE, 3-CARBOXAMIDE AND
PYRAZOLO[3,4-d]PYRIMIDIN-4-ONE DERIVATIVES AS ANTIMICROBIAL AGENTS,
Phosphorus, Sulfur, and Silicon and the Related Elements, 175:1, 109-127
To link to this article: http://dx.doi.org/10.1080/10426500108040260
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