Formic Acid → 3-(3,4-Dimethoxyphenyl)propionic acid

HRID 2227031Notes

Reaction equation

C(NCC)C.C(O)=O.CC1(C)[O:17][C:15](=[O:16])[CH2:14][C:12](=O)O1.C(=O)[C:20]1[CH:29]=[CH:28][C:25]([O:26][CH3:27])=[C:22]([O:23][CH3:24])[CH:21]=1>>[CH3:24][O:23][C:22]1[CH:21]=[C:20]([CH2:12][CH2:14][C:15]([OH:17])=[O:16])[CH:29]=[CH:28][C:25]=1[O:26][CH3:27]

Participants

Reactant 4

HCID 284Formic Acid

HCID 8021Diethylamine

HCID 8419Veratraldehyde

HCID 162492,2-Dimethyl-1,3-dioxane-4,6-dione

Product 1

HCID 750193-(3,4-Dimethoxyphenyl)propionic acid

Procedure

After dropwise adding 17.55 g (25 ml, 0.24 mol) of diethylamine to 27.6 g (22.6 ml, 0.6 mol) of formic acid under stirring and cooling, 7.2 g (0.05 mol) of Meldrum's acid and 8.3 g (0.05 mol) of veratraldehyde were added to the above mixture, then the procedure of Example 35 was followed.

Workup

temperaturecooling

Sources & evidence

ORD record: ord-13e25868ecca409fa38a7aae527df76a
Source dataset: uspto-grants-1994_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05350872

Reaction notes

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