Ammonia → 7-Methoxy-3,7-Dimethyloctanal

HRID 1284205Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1284205
[CH3:1][C:2](=[CH:4][CH2:5][CH2:6][CH:7]([CH2:9][CH:10]=[O:11])[CH3:8])[CH3:3].[CH3:12]NC.C(N)CCC.N.S(=O)(=O)(O)O.[OH-:26].[Na+]>CO>[CH3:8][CH:7]([CH2:9][CH:10]=[O:11])[CH2:6][CH2:5][CH2:4][C:2]([O:26][CH3:12])([CH3:3])[CH3:1]

Komponenten

8

Edukt 6

HCID 222AmmoniaHCID 674DimethylamineHCID 1118Sulfuric AcidHCID 7794Citronellal3×HCID 8007ButylamineHCID 14798Sodium Hydroxide

Produkt 1

HCID 192237-Methoxy-3,7-Dimethyloctanal

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

A process according to claim 1 which comprises the following steps (a) reacting citronellal with about 1-3 mols of dimethylamine, butylamine or ammonia per mol of citronellal at -5°C. to -25°C. (b) contacting the product of step (a) with methanol at -10°C. to +20°C. in the presence of 3.5-5 mols sulphuric acid per mol of citronellal used in step (a) and (c) neutralising the reaction mixture of step (b) with an aqueous solution of sodium hydroxide to produce methoxydihydrocitronellal.

Aufarbeitung

  1. customat -5°C. to -25°C.
  2. customat -10°C. to +20°C.

Quellen und Nachweise

ORD-Eintrag
ord-0378e37f93564071a29c00677c35544d
Quelldatensatz
uspto-grants-1976_08
Patentnummer
US03978135

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