SYNTHESIS OF N-ALKYL-N-{[(TRIPHENYLPHOSPHORANYLID ENE)-AMINO]SULFONYL}THIOUREAS FROM ETHYL <i>N</i>-ALKYL<i>-N'-</i>{[(TRIPHENYL-PHOSPHORANYLIDENE)AMINO] SULFONYL)CARBAMIMIDOTHIOATES
作者:Dale E. Arrington、David Gutierres
DOI:10.1080/10426509808032457
日期:1998.1
N-(Triphenylphosphoranylidene)sulfamoyl chloride was reacted with the ethyl ester monohydrobromide of a series of N-alkylcarbamimidothioic acids (alkylpseudothiuronium salts) to give ethyl N-alkyl-N'-[(triphenylphosphoranylidene)amino]sulfonyl}carbamimidothioates which: were converted to the corresponding N-alkyl-N'-[(triphenylphosphoranylide)amino]sulfonyl}thioureas by S-dealkylation with NaHS/H2S in DMF.