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Chemical Structure| 851785-70-1 Chemical Structure| 851785-70-1

Structure of 851785-70-1

Chemical Structure| 851785-70-1

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Product Details of [ 851785-70-1 ]

CAS No. :851785-70-1
Formula : C20H20Cl2N2O5S
M.W : 471.35
SMILES Code : O=C(O)[C@@H](NC(C1=C(Cl)C2=C(CNCC2)C=C1Cl)=O)CC3=CC=CC(S(=O)(C)=O)=C3
MDL No. :N/A

Safety of [ 851785-70-1 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Application In Synthesis of [ 851785-70-1 ]

* 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 [ 851785-70-1 ]

[ 851785-70-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 851784-82-2 ]
  • [ 851785-21-2 ]
  • [ 851785-70-1 ]
YieldReaction ConditionsOperation in experiment
91.8% 2-(ieri-butoxycarbonyl)-5,7-dichloro- l,2,3,4-tetrahydroisoquinoline-6-carboxylic acid (20 g), HATU (27.5 g) was charged in DMF (60 ml) and diisopropyl ethylamine (22,2 g) was added. Reaction mass was cooled to 0-5C and added methyl (S)-2-amino-3-(3- (m.ethylsuIfonyl)phenyl)propanoate hydrochloride (17.6g) lot wise at 0-5C. Temperature of reaction mass was raised to room temperature. Stirred and reaction monitored by TLC. After completion of reaction, Water (100 ml) and MDC (100 ml) was added. Stirred and separated the layers. Organic layer washed with brine and 10% sodium carbonate solution. Organic layer distilled and charged 1 N HC1 (100 ml) to the residue. After complete hydrolysis pH of reaction mass was adjusted to 5.0-5.5 using sodium hydroxide solution. Reaction mass was filtered and solid so obtained was dried to get (S)-2-(5 ,7-dichloro- 1 ,2,3 ,4- tetrahydroisoquinoline-6-carb^ acid (25 g, (0185) 91.8% yield).
 

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