ChemInform Abstract: REACTION BETWEEN 2,2′‐DITHIOBIS(ETHYLAMINE) AND KETONES, A NEW SYNTHESIS OF DIHYDRO‐1,4‐THIAZINES

Moracci, Franco Micheletti; Cardellini, Mario; Liberatore, Felice; Marchini, Paolo; Liso, Gaetano; Gulini, U.

doi:10.1002/chin.197449349

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2009

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“…Since the 2-mercapto anilines (2a-g) readily oxidize to bis (o-aminophenyl)disulfide (3) under these reaction conditions, the reaction is considered to proceed via the intermediate 4, which is readily cyclized by the scission of the sulfur-sulfur bond (32,33) upon the attack by the nucleophilic enaminone system. The possible mechanism of the reaction is proposed in Scheme 2.…”

Section: Chemistrymentioning

confidence: 99%

A new synthetic approach and biological evaluation of novel phenothiazines bearingtert-butyl group

Trivedi

Siddiqui

Dodiya

et al. 2009

Journal of Sulfur Chemistry

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A new and facile synthetic route is proposed for the synthesis of some novel phenothiazines (5a-5g) based on the reaction of 2-amino substituted benzenethiols with p-tert-butyl phenol in good yield. The newly synthesized compounds were characterized by IR, 1 H NMR and mass spectral studies. Their antimicrobial activities against three strains of bacteria: Bacillus subtilis, Bacillus megaterium, Escherichia coli, and two strains of fungi: Aspergillus niger and Aspergillus oryzae, were investigated.

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Section: Chemistrymentioning

confidence: 99%

A new synthetic approach and biological evaluation of novel phenothiazines bearingtert-butyl group

Trivedi

Siddiqui

Dodiya

et al. 2009

Journal of Sulfur Chemistry

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show abstract

ChemInform Abstract: REACTION BETWEEN 2,2′‐DITHIOBIS(ETHYLAMINE) AND KETONES, A NEW SYNTHESIS OF DIHYDRO‐1,4‐THIAZINES

Abstract: Die Säure‐katalysierte Reaktion des Disulfids (I) mit den Ketonen (II) führt unter Ausschluß von Luft zu den Dihydro‐1,4‐thiazinen (III) und 2‐Mercaptoäthylamin (IV).

Cited by 1 publication

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A new synthetic approach and biological evaluation of novel phenothiazines bearingtert-butyl group

A new synthetic approach and biological evaluation of novel phenothiazines bearingtert-butyl group

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