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A COMPARATIVE STUDY BETWEEN IMIDAZOLIDINEIMINOTHIONES AND4-THIOXOIMIDAZOLIDINE-2,5-DIONES TOWARDS SOME NUCLEOPHILIC AND BINUCLEOPHILIC REAGENTS: SYNTHESIS OF SOME NEW IMIDAZO(DIIMINES, DIHYDRAZONES, QUINOXALINES & AZINE) AND DIIMIDAZOLIDINONE
作者:A. M. Sh. El-Sharief、Y. A. Ammar、Y. A. Mohamed、M. M. Aly、M. S. A. El-gaby、A. S. Aly
DOI:10.1080/10426500108045259
日期:2001.8
Reactions of 5-imino-4-thioxoimidazolidine (II) and 4-thioxoimidazolidine-2,5-diones (III) with amines, hydrazine hydrate, hydrazine derivatives, o-phenylenediamines and cupper turnings were investigated.
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El-Sharief, A. M. Sh.; Ketcham, Roger; Schaumann, Ernst, Phosphorus, Sulfur and Silicon and the Related Elements, 1989, vol. 46, p. 83 - 86
作者:El-Sharief, A. M. Sh.、Ketcham, Roger、Schaumann, Ernst
DOI:——
日期:——
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Heterocyclic ring-closure reactions. 8. Reactions of isothiocyanates with cyanothioformamides. Cyclization of 5-imino-4-thioxo-2-imidazolidones and 5-imino-2,4-imidazolidinedithiones to 5,7-dihydrodiimidazo[4,5-b:4',5'-e]pyrazine-2,6(1H,3H)-diones and -dithiones
作者:Ismail Khattak、Roger Ketcham、Ernst Schaumann、Gunadi Adiwidjaja
DOI:10.1021/jo00219a001
日期:1985.9
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EELSHARIEF, A. M. SH.;KETCHAM, ROGER, PHOSPH., SULFUR AND SILICON AND RELAT. ELEM., 46,(1989) N-2, C. 83-86
作者:EELSHARIEF, A. M. SH.、KETCHAM, ROGER
DOI:——
日期:——
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Ei-Sharief; Ammar; Mohamed, Phosphorus, Sulfur and Silicon and the Related Elements, 1999, vol. 148, p. 215 - 226
作者:Ei-Sharief、Ammar、Mohamed、Ei-Gaby
DOI:——
日期:——