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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 1609308
Notes
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Reaction equation

HRID 1609308 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,
  5. customevaporation
  6. customThe residual materials were triturated with ethyl acetate/hexane

Sources & evidence

ORD record
ord-d22c5944704b4ebb8492f45c10cf8a17
Source dataset
uspto-grants-1995_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05399702

Reaction notes

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