A New Synthesis of Acetals of Chloroacetaldehyde and Bromoacetaldehyde
โ Scribed by Filachione, Edward M.
- Book ID
- 121418670
- Publisher
- American Chemical Society
- Year
- 1939
- Tongue
- English
- Weight
- 204 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0002-7863
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๐ SIMILAR VOLUMES
For an oxidative 4-methoxybenzylidenation, see e.g. [3a], and for a reductive benzylidenation [3b] ') A large number of fused benzylidene acetals of 1,3-diols are known, but only a few bridged ones, namely derivatives of rihopyranosides and of 8-ribonolactone [lo], of glucopyranosides [I I], and of
Pyruvic acid acetals (l-carboxyethylidene acetals) linked to aldohexopyranosyl residues are known to occur in a number of polysaccharides. These include agarl, and exocellular2 and capsular polysaccharides'. Pyruvic acid is most often linked to O-4 and O-6 of such hexoses as o-glucose, D-mannose, D-