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2-[3-(Methoxycarbonyl)phenyl]acetic acid → (E)-3-[2-[3-[2-[4-(cyclobutyl)-2-thiazolyl]ethenyl]phenylamino]-2-oxoethyl]benzoic acid methyl ester

HRID 327546
Notes
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Reaction equation

HRID 327546 reaction equation
[CH3:1][O:2][C:3](=[O:14])[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([CH2:10][C:11]([OH:13])=O)[CH:5]=1.[CH:15]1([C:19]2[N:20]=[C:21](/[CH:24]=[CH:25]/[C:26]3[CH:27]=[C:28]([NH2:32])[CH:29]=[CH:30][CH:31]=3)[S:22][CH:23]=2)[CH2:18][CH2:17][CH2:16]1>CN(C)C1C=CN=CC=1.C(Cl)Cl>[CH3:1][O:2][C:3](=[O:14])[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([CH2:10][C:11]([NH:32][C:28]2[CH:29]=[CH:30][CH:31]=[C:26](/[CH:25]=[CH:24]/[C:21]3[S:22][CH:23]=[C:19]([CH:15]4[CH2:18][CH2:17][CH2:16]4)[N:20]=3)[CH:27]=2)=[O:13])[CH:5]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 138161522-[3-(Methoxycarbonyl)phenyl]acetic acidHCID 15136086(E)-3-[2-[4-(cyclobutyl)-2-thiazolyl]ethenyl]benzeneamine

Product 1

HCID 67807566(E)-3-[2-[3-[2-[4-(cyclobutyl)-2-thiazolyl]ethenyl]phenylamino]-2-oxoethyl]benzoic acid methyl esterYield 77.5%

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalyst
HCID 6344
Dichloromethane
Solvent

Procedure

A solution composed of 1.0 g of 3-carboxymethyl benzoic acid methyl ester, 1.3 g of (E)-3-[2-[4-(cyclobutyl)-2-thiazolyl]ethenyl]benzeneamine, 1.0 g of N-ethyl-N-(dimethylaminopropyl) carbodiimide, 2.4 g of 4-dimethylaminopyridine and 75 ml of methylene chloride was stored at 0° C. After 16 hr., the reaction mixture was washed with 75 ml of water, dried (MgSO4) and the solvents removed by rotary evaporation. The residual materials were triturated with ethyl acetate/hexane to yield 1.7 g of (E)-3-[2-[3-[2-[4-(cyclobutyl)-2-thiazolyl]ethenyl]phenylamino]-2-oxoethyl]benzoic acid methyl ester; m.p. 119°-120° C.

Workup

  1. customwas stored at 0° C
  2. wash, the reaction mixture was washed with 75 ml of water
  3. dry with materialdried (MgSO4)
  4. customthe solvents removed by rotary evaporation
  5. customThe residual materials were triturated with ethyl acetate/hexane

Sources & evidence

ORD record
ord-6b916425dbfe47819372af5dc6b3f1b6
Source dataset
uspto-grants-1993_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05273986

Reaction notes

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