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ChemicalBook CAS DataBase List Methyl piperazine-1-carboxylate hydrochloride

Methyl piperazine-1-carboxylate hydrochloride synthesis

3synthesis methods
219509-79-2 Synthesis
1-tert-Butyl 4-Methyl piperazine-1,4-dicarboxylate

219509-79-2
30 suppliers
$129.00/100mg

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Yield:873697-75-7 99%

Reaction Conditions:

with hydrogenchloride in dichloromethane;ethyl acetate at 20; for 1 h;

Steps:

12.1 Synthesis of compound piperazine-1,3-carboxylate hydrochloride

The compound 1-tert-butoxycarbonyl-2,4-piperazine carboxylate (0.18g, 0.61mmol) in dichloromethane(6mL) was added HCl in ethyl acetate solution (4M, 3mL), stirred at rt for 1h, the solvent was removed to give awhite solid 146mg: 1,3-piperazine compound Two carboxylate hydrochloride, yield: 99%.

References:

CN105399698,2016,A Location in patent:Paragraph 0618; 0622; 0623