The SOS chromotest: a review
The SOS chromotest is reviewed through over 100 publications corresponding to the testing of 751 chemicals. 404 (54%) of these chemicals present a genotoxi...
P Quillardet，M Hofnung - 《Mutation Research》
Cross-Resistance of a Chlorsulfuron-Resistant Biotype of Stellaria media to a Triazolopyrimidine Herbicide
A biotype of Stellaria media (L.) Vill. has been identified that is highly resistant to the herbicide chlorsulfuron. Resistance is due to an altered acetol...
LM Hall，MD Devine - 《Plant Physiology》
Synthesis of 3‐substituted‐4‐phenyl‐2‐thioxo‐1,2,3,4,5,6,7,8‐octahydrobenzo[4,5]thieno[2,3‐á]pyrimidines
The reactions between 3-benzoyl-2-isothiocyanato-4,5,6,7-tetrahydrobenzo[ b ]thiophene and hydrazine or primary amines have been studied. The products obtained were identified as derivatives of 4-phenyl-2-thioxo-2,3,5,6,7,8-hexahydrobenz...
S Vega，J Alonso，JA Diaz，... - 《Journal of Heterocyclic Chemistry》
Studies on the synthesis and interconversion of isomeric triazolothienopyrimidines. Part III. Cyclization reactions of 2‐amino‐3‐(1H‐1,2,4‐triazol‐3...
Isolation of 2-amino-3-(1 H -1,2,4-triazol-3-yl)thiophenes in the hydrolytic cleavage reactions of isomeric triazolothienopyrimidines is reported. The 2-am...
CJ Shishoo，MB Devani，GV Ullas，... - 《Journal of Heterocyclic Chemistry》
4-Hydroxycoumarin in heterocyclic synthesis. Part III. Synthesis of some new pyrano[2,3-d]pyrimidine, 2-substitute.
The synthesis of new [1]benzopyrano[3′,4′:5,6]pyrano[2,3- d]pyrimidines and related heterocycles has been reported. The key intermediate 2-amino-3-cyano-...
AH Bedair，NA El-Hady，MSA El-Latif，... - 《Farmaco》
ACTION OF PRIMARY AMINES AND HYDROXYLAMINE ON ETHOXYMETHYLENEAMINONAPHTOPYRANES: SYNTHESIS OF NEW NAPHTOPYRANO [2,3-d] PYRIMIDINES DERIVATIVES
A variety of naphtopyrans 1 has been prepared by reaction of 2-naphtol with aryl (or alkyl) idenemalononitriles. The reaction of the naphtopyrans with trie...
M Messaád，F Chabchoub，M Salem - 《Heterocyclic Communications》
Synthesis of Fused Azoles and N-Heteroaryl Derivatives Based on Pyrano[2,3-c]Pyrazole
A variety of naphtopyrans 1 has been prepared by reaction of 2-naphtol with aryl (or alkyl) idenemalononitriles. The reaction of the naphtopyrans with trie...
EA M.，Zaki，M N.，... - 《Molecules Online》
Synthesis and antimicrobial activities of novel naphtho[2,1-b]pyran, pyrano[2,3-d]pyrimidine and pyrano[3,2-e][1,2,4]triazolo[2,3-c]-pyrimidine derivatives...
The synthesis of new naphtho[1′,2′:5,6]pyrano[2,3- d ]pyrimidines and related heterocycles has been reported. The key intermediate 3-amino-8-bromo-1-( p ...
AHB A，HAE A，EH B，... - 《IL Farmaco》
Synthesis of 3﹕ubstitutedhenylthioxo2,3,4,5,6,7,8﹐ctahydrobenzo[4,5]thieno[2,3┄pyrimidines
As an extension of a previous work, in which a series of 4-phenyl-2-thioxo-benzo[4,5]thieno[2,3-d]pyrimidines were synthesized, a new series of 3-amino derivatives of this ring system has been prepared. The products obtained together wit...
Salvador Vega，Javier Alonso，Juan A. Diaz，... - 《Journal of Heterocyclic Chemistry》
ChemInform Abstract: Studies on the Synthesis and Interconversion of Isomeric Triazolothienopyrimidines. Part 3. Cyclization Reactions of 2‐Amino‐3(1H‐1...
The triazolylthiophenes (I) are subjected to cyclocondensation under various conditions, yielding the triazolothienopyrimidines (III).
CJ Shishoo，MB Devani，GV Ullas，... - 《Cheminform》
