Water → Citric Acid

HRID 2105120Notes

Reaction equation

HRID 2105120 reaction equation
[C:1]([OH:20])(=[O:19])[CH2:2]CCCCCC/C=C\CCCCCCCC.CC1C(C)=C([O:29][C:30]([CH2:32][CH2:33][C:34]([O:36]CCO)=[O:35])=[O:31])C(C)=C2CCC(CCCC(CCCC(CCCC(C)C)C)C)(C)OC=12.[OH2:62]>>[C:30]([OH:29])(=[O:31])[CH2:32][C:33]([CH2:2][C:1]([OH:20])=[O:19])([C:34]([OH:36])=[O:35])[OH:62]

Participants

4

Reactant 3

HCID 962WaterHCID 714062-Hydroxyethyl 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-yl butanedioateHCID 445639Oleic Acid

Product 1

HCID 311Citric Acid

Procedure

3 g of methyl TMZ-8-carboxylate was weighed, pulverized into fine powder, and mixed with 20 g of water, 50 g of oleic acid, 30 g of VE TPGS and an appropriate amount of citric acid to form the microemulsion by grinding. An appropriate amount of rate-moderated membrane (copolymer of ethylene and vinyl acetate) and PSAs (polysiloxane pressure-sensitive gum) were added. The resulting mixture was stirred well, degassed by heat preservation using water bath, and spread on a polythene matrix. Dried and cut to 50 patches to obtain object product.

Sources & evidence

ORD record
ord-35cdc4baf71342ab8e6afc75af66e833
Source dataset
uspto-grants-2009_08
Patent number
US07579336B2

Reaction notes

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