Succinic Acid → Bis[(4-methylcyclohex-3-en-1-yl)methyl] butanedioate

HRID 1295534

Reaktionsgleichung

Reaktionsgleichung von HRID 1295534
[CH3:1][C:2]1[CH2:7][CH2:6][CH:5]([CH2:8][OH:9])[CH2:4][CH:3]=1.[C:10]1([CH3:16])[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1.[C:17]([OH:24])(=O)[CH2:18][CH2:19][C:20]([OH:22])=[O:21].O.[C:26]1(C)C(S(O)(=O)=O)=CC=CC=1>O>[CH3:1][C:2]1[CH2:7][CH2:6][CH:5]([CH2:8][O:9][C:17](=[O:24])[CH2:18][CH2:19][C:20]([O:22][CH2:16][CH:10]2[CH2:15][CH2:14][C:13]([CH3:26])=[CH:12][CH2:11]2)=[O:21])[CH2:4][CH:3]=1

Komponenten

6

Edukt 4

HCID 1110Succinic AcidHCID 1140TolueneHCID 5646723-Cyclohexene-1-methanol, 4-methyl-HCID 124969952-Methylbenzenesulfonic acid hydrate

Produkt 1

HCID 69305714Bis[(4-methylcyclohex-3-en-1-yl)methyl] butanedioateAusbeute 90 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

Added to 284 g (being 2 mol) of 4-methyl-3-cyclohexenylmethanol and one liter toluene solution containing 100 g (being 1 mol) of succinic acid anhydrate, was 5 g of toluenesulfonic acid monohydrate, and allowed to react for 8 hours at 110–120° C., while any generated water was removed using a water separating apparatus. After the reacted solution was washed with sodium bicarbonate water, distillation under reduced pressure was conducted to remove any toluene. The residual crude product was distilled under reduced pressure to obtain the objective compound. The yield was 90%.

Aufarbeitung

  1. customwas removed
  2. washAfter the reacted solution was washed with sodium bicarbonate water, distillation under reduced pressure
  3. customto remove any toluene
  4. distillationThe residual crude product was distilled under reduced pressure
  5. customto obtain the objective compound

Quellen und Nachweise

ORD-Eintrag
ord-92674cdea5524676b1b551d7c4d99ae3
Quelldatensatz
uspto-grants-2007_07
Patentnummer
US07244473B2

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