α-Chloralose synthesis
- Product Name:α-Chloralose
- CAS Number:15879-93-3
- Molecular formula:C8H11Cl3O6
- Molecular Weight:309.53
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Yield:-
Reaction Conditions:
in chloroform;
Steps:
29 Preparation of α-chloralose
EXAMPLE 29 Preparation of α-chloralose A mixture of 4.5 g of glucose, 19 g of chloral, 20 ml of chloroform and 0.05 g of 4-methyl-benzene-sulphonic acid is kept at reflux temperature for 7 hours and the formed water is separated by means of a Dean-Stark apparatus. The solvent is distilled off and the residue is kept at 60° C. for 20 minutes. The sedimented material is filtrated and the pH value of the mother lye adjusted to 6.5 with sodium hydroxide. The separated precipitate is filtered. Melting point: 182°-183° C.
References:
US5116402,1992,A
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