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Chemical Structure| 63640-09-5

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Product Details of [ 63640-09-5 ]

CAS No. :63640-09-5
Formula : C11H13ClO2
M.W : 212.67
SMILES Code : CC(C)[C@H](C1=CC=C(Cl)C=C1)C(O)=O
MDL No. :MFCD11858304
InChI Key :VTJMSIIXXKNIDJ-SNVBAGLBSA-N
Pubchem ID :854133

Safety of [ 63640-09-5 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 63640-09-5 ]

* 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 [ 63640-09-5 ]

[ 63640-09-5 ] Synthesis Path-Downstream   1~3

  • 2
  • [ 2012-74-0 ]
  • [ 2627-86-3 ]
  • [ 73591-05-6 ]
  • [ 71656-96-7 ]
  • [ 63640-09-5 ]
YieldReaction ConditionsOperation in experiment
In water; butan-1-ol; at 50 - 70℃; for 6.5h;Heating / reflux;Purification / work up; In a suitable reactor 566g of () CPA and 2430 g of 30% aqueous butanol was charged under stirring. A solution of 322g of (-) PEA in 966g of 30 % aqueous n-butanol was added to above solution at temperature ranging from 50-70C in about 60 minutes and the contents were heated to reflux for about 90 minutes. The reaction mixture was allowed to come to about 50C in about 240 minutes and filtered off. The filtrate was weighed (2507 g) and treated for recovery of R enriched (-) CPA isomer along with washings of wet cake (850g) as described in example (L LA). The cake (757 g) obtained was washed twice (2 x 390 g) with 30% aq. n-butanol and filtered off. The cake (680. 0g) was further recrystallised using 2430 g of 30 % aqueous n-butanol by heating to reflux temperature (Z90C) FOR about 120 minutes and then allowed to cool to 52C in about 150 minutes and filtered off. The weight of cake and filtrate being 527.7g and 2523 g respectively. The wet cake (527.7 g) was refined in 1562 g of 30% aqueous n-butanol by refluxing for 35 minutes at 90C and the contents were cooled to 52C in about 60 minutes, filtered and weighed. The weight of cake and filtrate obtained was 406. 3g and 1617g respectively. The cake was dried to a constant weight (306 g). The dried PEA salt (306g), distilled water (300g), toluene (900g) were charged into a suitable reactor successively and contents were stirred well. 250G of 40% H2S04 was added over a period of 10-30 minutes and mixed well for 20-30 minutes. The separated aqueous layer containing PEA-HS04 (641 g) was stored for recovery of S (-) PEA. The toluene layer is made free of traces of acid and concentrated to obtain (S+) CPA (197g). Dry weight OF S (+) CPA = 197.0 g. [A] D= +45.129 [CHC13, 6.01]
 

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