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ChemicalBook CAS DataBase List 4-Chloro-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazoline

4-Chloro-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazoline synthesis

9synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 6 steps
1: potassium hydroxide / dichloromethane / 8 h / Cooling with ice
2: potassium carbonate / N,N-dimethyl-formamide / 2 h / 120 °C
3: nitric acid; acetic acid / 24.5 h / 20 °C / Cooling with ice
4: palladium 10% on activated carbon; hydrogen / methanol / 13 h
5: formamide / 4 h / 165 °C
6: trichlorophosphate / 6 h / 110 °C

References:

Beijing Normal University;Qi, Chuanmin;Ren, Hongyu;Ning, Hongyu;Chang, Jin;Zhao, Mingxia;Chong, Yan;He, Yong CN105384745, 2016, A