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ChemicalBook CAS DataBase List Lercanidipine hydrochloride
132866-11-6

Lercanidipine hydrochloride synthesis

6synthesis methods
-

Yield:132866-11-6 90%

Reaction Conditions:

with hydrogenchloride in diethyl ether;tert-butyl methyl etherProduct distribution / selectivity;

Steps:

3B
1.1 eq. of 2N HCl in Et2O was added dropwise under stirring to a solution of 1 g of lercanidipine free base in 20 mL of MTBE. The precipitate formed was filtered under vacuum, rinsed with MTBE and dried under vacuum (0.15 mmHg) at 300C for 4h affording a dry powder (Yield: 90%), HPLC assay: 99,6%.

References:

RECORDATI IRELAND LIMITED WO2008/15248, 2008, A1 Location in patent:Page/Page column 7

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