cas 25026-97-5, 2-AMINO-5-NITROTHIOBENZAMIDE | Articles data ｜lookchem

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25026-97-5

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Catalyst-free synthesis of 2-aryl-1,2-dihydro-quinazolin-4(1H)-thiones from 2-aminobenzothio-amides and aldehydes in water
2-Dihydroquinazolin-4(1H)-thiones were prepared in up to excellent yields from 2-aminobenzothioamides and aldehydes. The reaction is carried out in water without the use of any catalyst or promoter. The sulfur-containing substrate can be obtained easily by thiation of the corresponding nitrile by solid sodium hydrosulfide.
Oschatz, Stefan,Brunzel, Tom,Wu, Xiao-Feng,Langer, Peter
p. 1150 - 1158
(2015/08/03)

Concomitant ring contraction cyclization strategy for the synthesis of novel 4-oxo-4,5-dihydro-pyrroloquinolines
The synthesis of novel substituted pyrroloquinolinones is described by concomitant ring contraction cyclization form 2-(2-amino-5-nitro-phenyl)-[4H]-1, 3-thiazines, which were derived from N-substituted 5-nitro-anthranilonitrile. An easy access to novel 4-thiono-1,4-dihydro-1,3-quinazoline heterocycles is also mentioned.
Manh, Gabriel Thia,Bakkali, Hicham,Maingot, Lucie,Pipelier, Muriel,Joshi, Uday,Pradère, Jean Paul,Sabelle, Stéphane,Tuloup, Remy,Dubreuil, Didier
p. 5913 - 5916
(2007/10/03)

More Articles about upstream products of 25026-97-5

17420-30-3
5-nitroanthranilonitrile

Chemical Properties

Boiling Point: 442.1°Cat760mmHg
Flash Point:221.2°C
Density: 1.515g/cm³
Vapor Pressure: 5.17E-08mmHg at 25°C
Sensitive: Air Sensitive
PSA: 129.95000
LogP: 2.61590

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