4,4-Diethoxy-2-methylbut-2-enal → 2-Methyl-4,4-diethoxybutanal

Reaction equation

[CH3:1][C:2](=[CH:5][CH:6]([O:10][CH2:11][CH3:12])[O:7][CH2:8][CH3:9])[CH:3]=[O:4].CC(=CCBr)C=O>>[CH3:1][CH:2]([CH2:5][CH:6]([O:7][CH2:8][CH3:9])[O:10][CH2:11][CH3:12])[CH:3]=[O:4]

Participants

Reactant 2

HCID 539058034,4-Diethoxy-2-methylbut-2-enal

HCID 545118224-Bromo-2-methylbut-2-enal

Product 1

HCID 214163412-Methyl-4,4-diethoxybutanalYield 89%

Procedure

The procedure described in Example 3 is repeated but 11.9 g of 2-methyl-4,4-diethoxy-2-butenal is used insteat of 16.3 g of 2-methyl- 4-bromo-2-butenal. Pure 2-methyl-4,4-diethoxybutanal is obtained in a yield of 89% of theory.

Sources & evidence

ORD record: ord-f617526e1dfa476ab1e32487ae30f8f8
Source dataset: uspto-grants-1977_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04044026

Reaction notes

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