1: 1:1 HCl, NaNO2
2: 32 percent / aq. CuCl2*2H2O, 18-crown-6 / a) 0-5 deg C, 1 h b) room temperature, 4 h
3: 85 percent / hydroxylamine hydrochloride, pyridine / ethanol / 5 h / Heating
4: 55 percent / 30percent aq. NaOH / tetrabutylammonium hydrogen sulphate / CH2Cl2 / 1 h / Ambient temperature
View Scheme
参考文献
Shridhar, D. R.; Sastry, C. V. Reddy; Chaturvedi, S. C.; Gurumurthy, R.; Singh, P. P.; et al.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 7 p. 692 - 694
1: 1:1 HCl, NaNO2
2: 32 percent / aq. CuCl2*2H2O, 18-crown-6 / a) 0-5 deg C, 1 h b) room temperature, 4 h
3: 85 percent / hydroxylamine hydrochloride, pyridine / ethanol / 5 h / Heating
4: 64 percent / 30percent aq. NaOH / tetrabutylammonium hydrogen sulphate / CH2Cl2 / 1 h / Ambient temperature
View Scheme
参考文献
Shridhar, D. R.; Sastry, C. V. Reddy; Chaturvedi, S. C.; Gurumurthy, R.; Singh, P. P.; et al.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 7 p. 692 - 694
1: 1:1 HCl, NaNO2
2: 32 percent / aq. CuCl2*2H2O, 18-crown-6 / a) 0-5 deg C, 1 h b) room temperature, 4 h
3: 85 percent / hydroxylamine hydrochloride, pyridine / ethanol / 5 h / Heating
4: 55 percent / 30percent aq. NaOH / tetrabutylammonium hydrogen sulphate / CH2Cl2 / 1 h / Ambient temperature
View Scheme
参考文献
Shridhar, D. R.; Sastry, C. V. Reddy; Chaturvedi, S. C.; Gurumurthy, R.; Singh, P. P.; et al.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 7 p. 692 - 694
1: 1:1 HCl, NaNO2
2: 32 percent / aq. CuCl2*2H2O, 18-crown-6 / a) 0-5 deg C, 1 h b) room temperature, 4 h
3: 80 percent / pyridine / ethanol / 3 h / Heating
View Scheme
参考文献
Shridhar, D. R.; Sastry, C. V. Reddy; Chaturvedi, S. C.; Gurumurthy, R.; Singh, P. P.; et al.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984 , vol. 23, # 7 p. 692 - 694
in N-(6,7-dibutoxy-4-methyl-2-quinazolinyl)guanidine
参考文献
Forray, Carlos C.; Kawakami, Joel; Konkel, Michael J.; Boteju, Lakmal W.; Wetzel, John M.; Noble, Stewart A.; Wan, Honghe
Patent: US2003/176314 A1, 2003 ;
US 20030176314 A1
Zoellner; Marton
Magyar Kemiai Folyoirat, 1955 , vol. 61, p. 376,377
Acta Chimica Academiae Scientiarum Hungaricae, 1958 , vol. 13, p. 283,288
Chem.Abstr., 1958 , p. 9978