cas 77-26-9, BUTALBITAL | Articles data ｜lookchem

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77-26-9

Articles about 77-26-9Total 1 be found

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Competition between the β-hydroxylation of a primary and a tertiary carbon atom in rats
In order to study the effect of steric hindrance on competition between two kinds of β-hydroxylation, a compound bearing on a pyrimidinetrione nucleus both a branched side chain with a tertiary carbon atom in position β (isobutyl group) and a linear side chain (ethyl group), was selected and administered to rats. Urine and faeces were collected and extracted. Hydroxymetabolites and their derivatives were isolated and then identified. The β-hydroxylation of the linear chain was more important than the β-hydroxylation of the branched chain. Steric hindrance plays a decisive role in this regioselectivity.
Moubarik, Soumaya Chraibi-Ben,Menager, Sabine,Lafont, Olivier
p. 97 - 106
(2007/10/03)

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Chemical Properties

Melting Point: 139-140 °C
Boiling Point: 365.66°C (rough estimate)
Flash Point:11 °C
Density: 1.1672 (rough estimate)
Storage Temp.:2-8°C
Refractive Index: 1.5000 (estimate)
PKA: pKa 12.36±0.05(H2O t=38.0 I=0.1) (Uncertain)
BRN: 202119
PSA: 75.27000
LogP: 1.61860

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