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Journal ArticleDOI

The preparation and properties of some methyl substituted tetrahydro-1,4-thiapyrones

Charles Barkenbus, +2 more
- 01 Feb 1951 - 
- Vol. 16, Iss: 2, pp 232-238
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This article is published in Journal of Organic Chemistry.The article was published on 1951-02-01. It has received 19 citations till now.

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Journal ArticleDOI

New hetero-annelation reactions using N-[ bis -(methylthio)-methylene]-amino and related reagents

TL;DR: In this paper, the reaction of acyclic and cyclic reagents with Gewald-type thiophene derivatives (2,3) led to annelation of pyrimidine moieties.
Journal ArticleDOI

A study of the tautomerism of 2- and 4-ethoxycarbonylthiolan-3-ones implicating stereochemical effects of ring-substitution

TL;DR: A series of 2- and 4-ethoxycarbonylthiolan-3-ones have been synthesized and studied by 1 H NMR and IR spectroscopy.
Journal ArticleDOI

Synthesis of precipitating chromogenic/fluorogenic β-glucosidase/β-galactosidase substrates by a new method and their application in the visual detection of foodborne pathogenic bacteria.

TL;DR: This method was used to synthesise novel precipitating fluorogenic substrates for β-glucosidase based on 2-(benzothiazol-2'-yl)-phenols and the application of these substrates in the detection of foodborne pathogenic bacteria was assessed.
Reference EntryDOI

The Krapcho Dealkoxycarbonylation Reaction of Esters with α‐Electron‐Withdrawing Substituents

TL;DR: The Krapcho reaction involves esters with α-electron-withdrawing substituents such as malonates, β-keto esters, and α-cyano esters as discussed by the authors.
Journal ArticleDOI

Synthesis of new fused heterocycles by annelation of thiopyrano[4′,3′:4,5]thieno[2,3- c ]pyrimidines

E. K. Ahmed
TL;DR: In this paper, 1.5,6,8-tetrahydro-2H-thiopyrano was used as key intermediates for annelations of thiazolo and 1,3-thiazino moieties to yield the tetracyclic target structures.