Water → HCID 58158369, compound

HRID 217121Notes

Reaction equation

HRID 217121 reaction equation
[CH3:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:11]=1[C:10](=[O:12])[N:9]([C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=1[CH3:19])[C:8]([CH:20]=[O:21])=[CH:7]2.O.[CH2:23]1COCC1>>[OH:21][CH:20]([C:8]1[N:9]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=2[CH3:19])[C:10](=[O:12])[C:11]2[C:6]([CH:7]=1)=[CH:5][CH:4]=[CH:3][C:2]=2[CH3:1])[CH3:23]

Participants

4

Reactant 3

HCID 962WaterHCID 8028TetrahydrofuranHCID 58158302HCID 58158302, compound

Product 1

HCID 58158369HCID 58158369, compoundYield 71%

Conditions

Temperature
-78 °C

Procedure

8-Methyl-1-oxo-2-o-tolyl-1,2-dihydroisoquinoline-3-carbaldehyde 4101 (2.4 g, 8.6 mmol) was dissolved in anhydrous THF (280 mL) and cooled to −78° C. under a nitrogen atmosphere. Methyl MgBr (2 M, 5 mL, 10 mmol) was added slowly, and the resulting mixture was stirred at −78° C. for 2 h. H2O (5 mL) was added and then the solution was poured into ice-water (200 mL) and extracted with ethyl acetate (3×50 mL). The combined organic layer was washed with brine, dried over Na2SO4 and filtered. The filtrate was concentrated in vacuo, and the residue product was purified by flash column chromatography on silica gel (10-50% EA/PE) to afford the product, 3-(1-hydroxyethyl)-8-methyl-2-o-tolylisoquinolin-1(2H)-one 4102 (1.8 g, 71% yield) as a white solid.

Workup

  1. extractionextracted with ethyl acetate (3×50 mL)
  2. washThe combined organic layer was washed with brine
  3. dry with materialdried over Na2SO4
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated in vacuo
  6. customthe residue product was purified by flash column chromatography on silica gel (10-50% EA/PE)

Sources & evidence

ORD record
ord-c755454f302a498d9855c1d145dcc030
Source dataset
uspto-grants-2012_06
Patent number
US08193182B2

Reaction notes

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