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ChemicalBook CAS DataBase List 4-N-Boc-2-Methyl-piperazine
120737-59-9

4-N-Boc-2-Methyl-piperazine synthesis

6synthesis methods
24424-99-5 Synthesis
Di-tert-butyl dicarbonate

24424-99-5
835 suppliers
$13.50/25G

109-07-9 Synthesis
2-Methylpiperazine

109-07-9
370 suppliers
$5.00/5g

-

Yield:120737-59-9 100%

Reaction Conditions:

in dichloromethane;

Steps:

192.1 Tert-Butyl 4-(6-ethylthiopheno[3,2-e]pyrimidin-4-yl)-3-methylpiperazinecarboxylate

Step 1: 2-Methylpiperazine (5.03 g) was dissolved in dichloromethane (200 mL) and a solution of di-tert-butyl-dicarbonate (10.96 g) in dichloromethane (100 mL) was added over 2.5 hours. The reaction was stirred at room temperature for 24 hours and concentrated to dryness giving 1-BOC-3-methylpiperazine. Yield=100%

References:

US2003/153556,2003,A1

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