Trimethylhydroquinone → HCID 19971757, compound

HRID 328850Notes

Reaction equation

[CH3:1][C:2]1[C:3]([OH:11])=[C:4]([CH3:10])[C:5]([CH3:9])=[C:6]([CH:8]=1)O.[CH:12]([C:14]([CH2:16][CH3:17])=[O:15])=[CH2:13].[CH3:18][OH:19].O>>[CH2:12]([C:14]1([O:19][CH3:18])[CH2:16][CH2:17][C:8]2[C:6](=[C:5]([CH3:9])[C:4]([CH3:10])=[C:3]([OH:11])[C:2]=2[CH3:1])[O:15]1)[CH3:13]

Participants

Reactant 3

HCID 12785Trimethylhydroquinone

HCID 153941-Penten-3-one

HCID 22242641Methanol--water (1/1)

Product 1

HCID 19971757HCID 19971757, compound

Procedure

Trimethylhydroquinone was reacted with ethyl vinyl ketone by the procedure of Example 1 to give (±)-2-ethyl-6-hydroxy-2-methoxy-5,7,8-trimethylchroman as a beige powder, m.p. 96.5°-98.5° from methanol-H2O.

Sources & evidence

ORD record: ord-bb254cbbf94a451c97757a0b92ec144f
Source dataset: uspto-grants-1977_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04018799

Reaction notes

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