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Cleavage and Oligomerization of Malondialdehyde

✍ Scribed by Antonio Gómez-Sánchez; Isidro Hermosín; Jose-María Lassaletta; Inés Maya

Book ID
104203520
Publisher
Elsevier Science
Year
1993
Tongue
French
Weight
951 KB
Volume
49
Category
Article
ISSN
0040-4020

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✦ Synopsis

Abbu& Malondieldehyde (MDA) slowly self-cohmah in equeous solutkm at pH 4.5-6 and mom temperature yielding (~-(3'-oxo-1'-pm~yl)~~~~~~ and 2,4_dihydroxymethyl~~3~~~x~yl)glu~d~~. 'he letter compound exists in solution in equilibrium with 4-(1,3dioxopmpan-2-yl)-S-formyl-2-h$mxy-3,4dih#n-2Hpyrau, the funs-fom of which cnn be readily isoleted es e crystalline hemipotessium salt. Cleavage of MDA also occurs under these conditions leeding to ecetaldehyde, which liuther reacts with the excess of MDA to form 2,4-dihydmxyme&ylen~3-meallylglutenddellyde.

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✍ Ashis K. Basu; Lawrence J. Marnett 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 French ⚖ 215 KB 👁 1 views

Two synthetic routes for deuterium labelling of 1,1,3,3-tetraethoxypropane, the precursor of the ubiquitous natural compound malondialdehyde, are described. In one scheme, deuterium is inc.orporated in ethyl vin 1 ether by metalation ing with $,,,. The conversion of the deuterated ether to monodeute