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ChemicalBook CAS DataBase List (2S,4R)-Methyl 4-hydroxypyrrolidine-2-carboxylate
1499-56-5

(2S,4R)-Methyl 4-hydroxypyrrolidine-2-carboxylate synthesis

8synthesis methods
-

Yield: 100%

Reaction Conditions:

with hydrogenchloride in 1,4-dioxane;dichloromethane at 20; for 4 h;

Steps:

1
A solution of 4.0 N HCl in dioxane (50 mL) was added to a solution of commercially available 4-hydroxy-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester (30 g, 206 mmol) in dichloromethane (200 mL). After the reaction mixture was stirred at room temperature for 4 hours, it was concentrated to get a quantitative yield of crude intermediate XI, which was used in the next step without further purification.

References:

TaiGen Biotechnology Co., Ltd. US2008/108632, 2008, A1 Location in patent:Page/Page column 20

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