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ChemicalBook CAS DataBase List Acrivastine
87848-99-5

Acrivastine synthesis

5synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: 12.2 g / BuLi / hexane; diethyl ether / 3 h / -50 °C
2: 24.3 g / p-toluenesulfonic acid / toluene / 6 h / Heating
3: 2.5 g / BuLi / diethyl ether; hexane / 4 h / -50 °C
4: 1.) NaH, 2.) conc. HCl / 1.) DME, 2 h, 2.) ethanol, H2O, steam bath, 10 min
5: 1.) BuLi, 2.) NaOH / 1.) hexane, toluene, 75 deg C, 2 h, 2.) ethanol, steam bath, 10 min

References:

Findlay;Butz;Coker;et al. [Journal of Pharmaceutical Sciences,1984,vol. 73,# 10,p. 1339 - 1344]

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