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ChemicalBook CAS DataBase List trans-4-MethoxycyclohexanaMine HCl
61367-41-7

trans-4-MethoxycyclohexanaMine HCl synthesis

4synthesis methods
-

Yield:61367-41-7 91%

Reaction Conditions:

with hydrogenchloride in 1,4-dioxane at 0; for 20 h;

Steps:

2.06.2

(2) To a solution of tert-butyl(trans-4-methoxycyclohexyl)carbamate (2.33 g, 10.2 mmol) in 1,4-dioxane (10 mL) was added hydrogen chloride in 1,4-dioxane (4N, 10.0 mL, 40.0 mmol) at 0° C. After being stirred for 20 hour, diethyl ether (100 mL) was added. The precipitate was collected and washed with diethyl ether to give trans-4-methoxycyclohexylamine hydrochloride (the compound of Reference Example 2.06 listed in the Table of Reference Examples as described hereinafter) as colorless crystals (1.54 g, 91%).

References:

US2011/160206,2011,A1 Location in patent:Page/Page column 28

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