ISSN:
0009-2940
Keywords:
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Description / Table of Contents:
Addition of Aldehydes to Activated Double Bonds, XIII. Syntheses of Tri- and PolyketonesThiazolium salt catalysed addition of aldehydes to divinyl ketone, dibenzylidenacetone, and difurfurylidenacetone or of laevulinic aldehyde to alkyl vinyl ketones leads to 1,4,7-triketones (2-30). Dialdehydes and α,β-unsaturated ketones yield tetraketones (38-44). Syntheses of 2,5,8,11,14-pentadecanepentaone (36) and of 2,5,8,11,14,17,20-heneicosaneheptaone (37) are described.
Notes:
Thiazoliumsalz-katalysierte Additionen von Aldehyden an Divinylketon, Dibenzylidenaceton und Difurfurylidenaceton oder von Lävulinaldehyd an Alkylvinylketone führen zu 1,4,7-Triketonen (2-30). Dialdehyde ergeben mit α,β-ungesättigten Ketonen Tetraketone (38-44). Synthesen von 2,5,8,11,14-Pentadecanpentaon (36) und von 2,5,8,11,14,17,20-Heneicosanheptaon (37) werden beschrieben.
Additional Material:
3 Tab.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/cber.19771100321
Permalink