1,4-Diaminobutanes from furans: A new synthetic approach to substituted putrescines
A novel approach for the synthesis of (hydroxymethyl)- and (aminomethyl)-putrescines starting with furanmethanols and aminomethyl- furanmethanols is reported. The furans were converted to their 2,5-dimethoxy- tetrahydrofuran derivatives and the latter were ring-opened in acid media. The resulting carbonyl derivatives were isolated as their dioximes and the latter were then reduced to the corresponding amino alcohols.
Green and highly selective protocol for the synthesis of oximes
A green and efficient protocol has been developed for the synthesis of either exclusively a monoxime or exclusively a dioxime from a host of 1,2-dicarbonyl compounds on silica.
Ghosh, Pranab,Subba, Raju
p. 529 - 532
(2013/11/06)
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