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ChemicalBook CAS DataBase List (R)-2-ethylpyrrolidine hydrochloride
460748-80-5

(R)-2-ethylpyrrolidine hydrochloride synthesis

3synthesis methods
876617-06-0 Synthesis
(R)-tert-butyl 2-ethylpyrrolidine-1-carboxylate

876617-06-0
34 suppliers
$26.00/250mg

-

Yield:-

Reaction Conditions:

with hydrogenchloride in 1,4-dioxane at 20; for 72 h;

Steps:



Add HC1 (23 mL, 4N in 1,4-dioxane, 92 mmol) to a stirred solution of 2R-ethyl-pyrrolidine-1-carboxylic acid tert-butyl ester (2.4 g, 12 mmol) and stir at room temperature for 3 days. Concentrate under reduced pressure to afford the title compound as a colorless solid (1.6 g). *H NMR (CDCI3) 8 9.81 (br s, 1H), 9.18 (br s, 1H), 3.25-3.53 (m, 3H), 1.90-2.21 (m, 6H), 1.03-1.10 (m, 3H).

References:

WO2006/19833,2006,A1 Location in patent:Page/Page column 52