Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Ayman Wahba Erian"'
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 179:521-528
Hydrazidoyl halides 1a reacted with diethylphosphonoacetonitrile (2a) in sodium ethoxide to yield the hydrazine derivative 4a which readily cyclized to form the corresponding diazaphosphole 5 . The latter was hydrolyzed to form the final product 6, w
Publikováno v:
Molecules, Vol 8, Iss 11, Pp 793-865 (2003)
Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry
Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry
The molecular structures and spectral properties of α-haloketones as well as their syntheses are analyzed and reviewed. Their reactivity towards oxygen, nitrogen, and sulfur nucleophiles, carboxylic acids, carbon nucleophiles, alkenes, and alk
Publikováno v:
ARKIVOC, Vol 2001, Iss 10, Pp 85-94 (2002)
The applicability and synthetic potency of the new reagent N-(2,2-dicyanoethenyl)aminoacetonitrile (3) to develop an expeditious convenient synthetic route of unique polyfunctionally substituted pyrroles, heterocyclopyrimidines, and 2H-1-benzopyran-2
Autor:
Ayman Wahba Erian
Publikováno v:
Journal of Heterocyclic Chemistry. 38:793-808
Publikováno v:
Pigment & Resin Technology. 30:168-171
Describes the synthesis and testing of a group of dyes, derived from heterocyclic compounds containing thiazole ring systems. Gives a comparative analysis of the dyes’ washing, perspiration and rubbing fastness when applied to synthetic fabrics.
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 167:133-149
The applicability and synthetic potency of the reagent diethyl 2-aryl-3-phenylsulfonylpropen-l,1-dicarboxylate 3 is reported. Compound 3 proved to be a key precursor in heterocyclic sulfones synthesis. Chemical and spectroscopic evidences for the str
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 167:151-159
1-Benzoyl-1-phenylsulfone-2-ethoxyethene 3 has been prepared via reaction of phenacyl sulfone 1 with triethylorthoformate. Compound 3 can be used for prepration of pyridinethione, which could be annulated into fused various heterocyclic ring systems.
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :3686-3691
The applicability and synthetic potency of the novel reagents diethyl 2-aryl-3-(phenylsulfonyl)propene-1,1-dicarboxylate 3 are reported. Compounds 3 are shown to be key precursors in heterocyclic sulfones syntheses. Chemical and spectroscopic evidenc
Publikováno v:
Zeitschrift für Naturforschung B. 55:127-132
The applicability and synthetic potency of novel reagent, 2-aryl-1,1-dicyano-3-(phenylsulfo-nyl)propenes 3 to develop an expeditious convenient synthetic route of unique polyfunctionally substituted carbocyclic and heterocyclic sulfone systems is rep
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 155:147-155
Diethyl 2-phenyl-3-thiocyanopropene-1,1-dicarboxylate (3) as a key precursor in heterocyclic synthesis. The applicability and synthetic potency of 3 are studied to afford unique heterocyclic compounds.