2-chloro-2-methylpropionaldehyde synthesis
- Product Name:2-chloro-2-methylpropionaldehyde
- CAS Number:917-93-1
- Molecular formula:C4H7ClO
- Molecular Weight:106.55
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Yield:-
Reaction Conditions:
in tolueneAcidic conditions;
Steps:
6 Preparation of 2-chloro-2-methylpropanal from trimer 2,4,6-tris(2-chloropropan2-yl)-l,3,5-trioxane (Depolymerisation)
Solid trimer 2,4,6-tris(2-chloropropan2-yl)-l,3,5-trioxane obtained as described in example 5 was depolymerised in the presence of an acid catalyst, and toluene to provide 2-chloro-2- methylpropanal. Various acid catalysts (sulfuric acid, methanesulfonic acid, p-toluenesulfonic acid, Montmorillonite K10 (CAS Number: 1318-93-0)) were tested with satisfactory outcome with a typical purity of 90%-91% of 2-chloro-2-methylpropanal.
References:
H. LUNDBECK A/S;DE FAVERI, Carla;HUBER, Florian, Anton, Martin;STIVANELLO, Mariano WO2019/193134, 2019, A1 Location in patent:Page/Page column 13
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