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Substituent Dependent Regioselective Synthesis of Pyranopyrandiones and 1,2-Teraryls from 2H-Pyran-2-ones.

✍ Scribed by Ramendra Pratap; Diptesh Sil; Vishnu Ji Ram

Publisher
John Wiley and Sons
Year
2005
Weight
23 KB
Volume
36
Category
Article
ISSN
0931-7597

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Methyl 2-(benzyloxycarbonyl)amino-3-dimethylaminopropenoate (2) was prepared from methyl \(\mathrm{N}\)-(benzyloxycarbonyl)glycinate (1) and \(t\)-butoxybis(dimethylamino)methane, and used as a reagent for preparation of substituted 3-(benzyloxycarbonyl)amino-4 \(\mathrm{H}\)-quinolizin-4-ones 5 and