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Chemical Structure| 78306-52-2 Chemical Structure| 78306-52-2

Structure of 78306-52-2

Chemical Structure| 78306-52-2

(2S,4S)-Ethyl 4-methylpiperidine-2-carboxylate

CAS No.: 78306-52-2

4.5 *For Research Use Only !

Cat. No.: A652109 Purity: 95%

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Product Details of [ 78306-52-2 ]

CAS No. :78306-52-2
Formula : C9H17NO2
M.W : 171.24
SMILES Code : O=C([C@H]1NCC[C@H](C)C1)OCC
MDL No. :MFCD03093749

Safety of [ 78306-52-2 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335-H227
Precautionary Statements:P210-P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P370+P378-P403+P233-P403+P235-P405-P501

Application In Synthesis of [ 78306-52-2 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 78306-52-2 ]

[ 78306-52-2 ] Synthesis Path-Downstream   1~1

  • 1
  • ethyl 4-methyl-2-piperidinecarboxylate L-tartrate [ No CAS ]
  • [ 74892-82-3 ]
  • [ 78306-52-2 ]
YieldReaction ConditionsOperation in experiment
With potassium carbonate; In water; ethyl acetate; at 15 - 20℃; for 1.08333h; 65 g of a mixture of ethyl (2R,4R)-4-methyl-2-piperidinecarboxylate L-tartrate (13) and ethyl (2S,4S)-4-methyl-2-piperidinecarboxylate L-tartrate (14) (ratio 86/14), obtained in step 4A, 325 ml of ethyl acetate and 65 ml of water are introduced in a reactor. Cooling is carried out at 15 C. and an aqueous solution (130 ml) of potassium carbonate (31 g) is added in 5 minutes. The obtained biphasic solution is left under stirring at 20 C. for 1 hour, then the phases are separated, the aqueous phase is extracted once again using 130 ml of ethyl acetate, the two organic phases are concentrated by distillation at reduced pressure obtaining 29.4 g of ester (at 100%), with a 99.9% chemical purity. Molar yield 85%. Ethyl (2R,4R)-4-methyl-2-piperidinecarboxylate (9)/ethyl (2S,4S)-4-methyl-2-piperidinecarboxylate (10) (87/13) ratio.
 

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