A series of 1 substituted phenoxyacetyl 4 aroyl thiosemicarbazides were synthe sized by reaction of aroylisothiocyanate with (substituted)phenoxyacetic acid hydrazides under solid liquid phase transfer catalysis condi...A series of 1 substituted phenoxyacetyl 4 aroyl thiosemicarbazides were synthe sized by reaction of aroylisothiocyanate with (substituted)phenoxyacetic acid hydrazides under solid liquid phase transfer catalysis condition. The preliminary bioassay results showed that some of the compounds have good antibiotic activity and plant growth regulation activity. The compounds were characterized by elemental analysis, IR and 1H NMR.展开更多
By using Fe(NO3)3·9H2O as the oxidation reagent,the synthesis of acyldiazenes from acylhydrazines was described.Ten acyldiazenes were synthesized in excellent yields under mild conditions,among them the...By using Fe(NO3)3·9H2O as the oxidation reagent,the synthesis of acyldiazenes from acylhydrazines was described.Ten acyldiazenes were synthesized in excellent yields under mild conditions,among them there were eight new substances .This method uses simple instruments and short reaction time.展开更多
The new and rapid synthetic method for hydrazobenzene starting from azobenzene through ZnNH4CNS reduction.The optimum reaction conditions are that the molar ratio of azobenzene to zinc powder is 1∶15,the temper...The new and rapid synthetic method for hydrazobenzene starting from azobenzene through ZnNH4CNS reduction.The optimum reaction conditions are that the molar ratio of azobenzene to zinc powder is 1∶15,the temperature is 25℃,the consumption of saturated ammonium thiocyanate liquor is 10ml.The reaction duration is short(8min) yet giving excellent yields(94%).展开更多
文摘A series of 1 substituted phenoxyacetyl 4 aroyl thiosemicarbazides were synthe sized by reaction of aroylisothiocyanate with (substituted)phenoxyacetic acid hydrazides under solid liquid phase transfer catalysis condition. The preliminary bioassay results showed that some of the compounds have good antibiotic activity and plant growth regulation activity. The compounds were characterized by elemental analysis, IR and 1H NMR.
文摘By using Fe(NO3)3·9H2O as the oxidation reagent,the synthesis of acyldiazenes from acylhydrazines was described.Ten acyldiazenes were synthesized in excellent yields under mild conditions,among them there were eight new substances .This method uses simple instruments and short reaction time.
文摘The new and rapid synthetic method for hydrazobenzene starting from azobenzene through ZnNH4CNS reduction.The optimum reaction conditions are that the molar ratio of azobenzene to zinc powder is 1∶15,the temperature is 25℃,the consumption of saturated ammonium thiocyanate liquor is 10ml.The reaction duration is short(8min) yet giving excellent yields(94%).
