(2S,5R)-1-BENZYL-2,5-DIMETHYLPIPERAZINE synthesis
- Product Name:(2S,5R)-1-BENZYL-2,5-DIMETHYLPIPERAZINE
- CAS Number:260254-80-6
- Molecular formula:C13H20N2
- Molecular Weight:204.31
431062-00-9
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Yield:260254-80-6 100%
Reaction Conditions:
with hydrogenchloride in 1,4-dioxane;dichloromethane; for 1 h;Product distribution / selectivity;
Steps:
B1.a
Preparation of Side-chain BKc):; Intermediate BKa): (2S,5R)-1 -benzyl-2,5-dimethylpiperazine; To a solution of starting material (3.00 g, 9.85 mmol) in CH2CI2 (100 mL) was added 4 N HCI in 1 ,4-dioxane (20 mL). The solution was stirred for 1 hour, at which time the volatiles were removed in vacuo to yield the desired product as a white solid in quantitative yield. Mass Spectrum: Calcd for Ci3H2iN2 (M+H): 205. Found: 205.
References:
WO2008/96260,2008,A1 Location in patent:Page/Page column 45-46
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