(E)-3-(1,4-Naphthoquinon-2-yl)-2-methylpropenoic acid → (E)-3-(3-Methyl-1,4-naphthoquinon-2-yl)-2-methylpropenoic Acid

HRID 1527696Notes

Reaction equation

HRID 1527696 reaction equation
C[O:2][C:3]1[C:12]2[C:7](=[CH:8][CH:9]=[CH:10][CH:11]=2)[C:6]([O:13]C)=[C:5]([CH3:15])[C:4]=1/[CH:16]=[C:17](\[CH3:21])/[C:18]([OH:20])=[O:19].C1(=O)C2C(=CC=CC=2)C(=O)C=C1/C=C(\C)/C(O)=O>CC(C)=O>[CH3:15][C:5]1[C:6](=[O:13])[C:7]2[C:12](=[CH:11][CH:10]=[CH:9][CH:8]=2)[C:3](=[O:2])[C:4]=1/[CH:16]=[C:17](\[CH3:21])/[C:18]([OH:20])=[O:19]

Participants

4

Reactant 2

HCID 25235423(E)-3-(1,4-Naphthoquinon-2-yl)-2-methylpropenoic acidHCID 46180244(E)-3-(1,4-dimethoxy-3-methylnaphthalen-2-yl)-2-methylpropenoic acid

Product 1

HCID 25235424(E)-3-(3-Methyl-1,4-naphthoquinon-2-yl)-2-methylpropenoic Acid

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

Compound 35a was prepared from 99a (0.083 g, 0.29 mmol) as described above for 30a to give 0.048 g (0.19 mmol, 65%) of the product as a yellow solid following flash chromatography (3:17 acetone:hexanes 0.5% AcOH) and recrystallization from Et2O/hexanes.

Workup

  1. customto give

Sources & evidence

ORD record
ord-d2753d7db2794e34816ed165381958c1
Source dataset
uspto-grants-2015_07
Patent number
US09089605B2

Reaction notes

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