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A New Synthesis of Benzylidene Acetals

✍ Scribed by Chunbao Li; Andrea Vasella

Publisher
John Wiley and Sons
Year
1993
Tongue
German
Weight
793 KB
Volume
76
Category
Article
ISSN
0018-019X

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✦ Synopsis

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 azadirachtin [12].

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