61416-56-6Relevant academic research and scientific papers
Synthesis of bis-imidazolone condensed ring derivatives bearing potential fungicidal activities
Sun, Yong,Gao, Li-Ping,Ding, Ming-Wu
, p. 69 - 74 (2005)
Bis-imidazolone condensed ring derivatives 4 were synthesized by S-alkylation of bis-imidazolidinones 3, which were obtained via tandem aza-Wittig reaction of vinyliminophosphoranes 1, carbon disulfide and ethylenediamine.
New facile synthesis of imidazo[2,1-b]-1,3,4-thiadiazol-5(6H)-ones via aza-wittig reaction
Ding, Ming-Wu,Fu, Bo-Qiao,Cheng, Lin
, p. 1067 - 1071 (2004)
The isothiocyanates 2, obtained from aza-Wittig reactions of vinyliminophosphoranes 1 with CS2, reacted with hydrazine to give 3-amino-2-thioxo-4-imidazolidinones 4. Reactions of 4 with triphenyphosphine, hexachloroethane and Et3N pr
Facile synthesis of 2-alkylthio-3-amino-4 H-imidazol-4-ones and 2H-lmidazo[2,1-b]-1,3,4-thiadiazin-6(7 H)-ones via N-vinylic iminophosphorane
Ding, Ming-Wu,Fu, Bo-Qiao,Yuan, Ju-Zhen
, p. 76 - 80 (2005)
2-Alkylthio-3-amino-4H-imidazol-4-ones 5 were synthesized by S-alkylation of 2-thioxo-3-amino-4-imidazolidinones 4, which were obtained via cyclization of isothiocyanates 2 with hydrazine hydrate. 51-n reacted with Ph3P, C2Cl6/
An efficient synthesis of double 2-alkylthio-5-phenylmethylidene-4H- imidazol-4-ones
Sun, Yong,Ding, Ming-Wu
, p. 41 - 47 (2007/10/03)
Double 2-alkylthio-5-phenylmethylidene-4H-imidazol-4-ones 6 were synthesized by S-alkylation of double 2-thioxo-5-phenylmethylidene-4- imidazolidinone 5, which was obtained via cyclization of vinyl isothiocyanate 4 with ethylenediamine.
Synthesis and fungicidal activities of 2-alkylthio-5-phenylmethylene-4h- imidazol-4-ones
Sun, Yong,Ding, Ming-Wu
, p. 2137 - 2145 (2007/10/03)
2-Alkylthio-5-phenylmethylidene-4H-imidazol-4-ones4weresynthesizedbyS- alkylationof2-thioxo-3-aryl-4-imidazolidinones3, whichwereobtainedviacyclizationofisothiocyanate2witharomaticprimaryamines. 3and4exhibitedgoodfungicidalactivityagainstPhysalosporapiricola.
