cas 654-49-9, 6-METHYL-2-OXO-4-(TRIFLUOROMETHYL)-1,2-DIHYDROPYRIDINE-3-CARBONITRILE | Articles data ｜lookchem

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654-49-9

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A simple and facile method for the synthesis of novel 5/7 triflouromethyl-substituted 4(3H)-quinazolone regioisomers
The unsymmetrical 1,3-diketones 1 on reaction with malononitrile is resulted an interesting trifunctional intermediates 2 and 3. The intermediate 2 is hydrolyzed to give 2,6-dicarboxamido aniline 4 which on cyclisation gave two regioisomers of 1,2-dihydro-4(3H)-quinazolinones 5 and 6. The effect of substituents on compound 4 is characteristic for formation of regioisomers in different proportions. Each regioisomer on dehydrogenation under mild condition using active MnO2 gave corresponding 4(3H)-quinazolones 7 and 8, respectively.
Maitraie,Venkat Reddy,Rama Rao,Ravi Kanth,Shanthan Rao,Narsaiah
p. 73 - 79
(2007/10/03)

5,11-dihydro-6H-dipyrido(3,2-B:2',3'-E)(1,4)diazepines and their use in the prevention or treatment of HIV infection
Disclosed are novel 5,11-dihydro-6H-dipyrido[3,2-b; 2',3'-e][1,4]diazepines. These are useful in the prevention or treatment of HIV infection.
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(2008/06/13)

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Chemical Properties

Melting Point: 233-237 °C(lit.)
Boiling Point: 270.9ºC at 760 mmHg
Flash Point:117.6ºC
Density: 1.4g/cm3
Vapor Pressure: 0.00667mmHg at 25°C
PSA: 56.65000
LogP: 1.57378

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