Results 91 to 100 of about 562 (194)

Catalytic methods for the synthesis of spirooxindoles, pyrroloindolines, and flavanones [PDF]

, 2016
This thesis discloses catalytic, enantioselective dipolar cycloadditions to deliver new nitrogen-containing heterocycles and formal hydroarylations of olefins that have previously not been possible. Catalytic, enantioselective, dearomative cycloadditions
Gerten, Anthony
core   +3 more sources

Hydrazonoyl Halides as Precursors for Synthesis of Novel Bioactive Thiazole and Formazan Derivatives

Journal of Chemical Research, 2012
A new series of substituted 4-methyl-5-(arylazo)-2-[ N‘-(6,7,8,9-tetrahydro-benzocyclohepten-5-ylidene)-hydrazino]-thiazoles and 5-(arylhydrazono)-2-[ N‘-(6,7,8,9-tetrahydro-benzocyclohepten-5-ylidene)-hydrazino]-thiazol-4-one were prepared by reaction of hydrazonoyl chlorides with a thiosemicarbazone derivative.
Thoraya A. Farghaly, Eman M.H. Abbas
openaire   +1 more source

Computer assisted synthesis and in-vitro cytotoxic evaluation of new pyrazole-fused isoquinolinoquinones derivatives as PI3K receptor antagonist with promising antitumoral activity [PDF]

, 2016
The importance of pyrazole and isoquinoline-5,8-dione scaffolds in medical chemistry is underlined by the high number of drugs currently on trading that contains these active ingredients.
Crotti, Simone
core  

Design and synthesis of novel hybrids incorporating thiadiazole or thiazole-naphthalene: Anticancer assessment and molecular docking study

Results in Chemistry
To underscore the significance of thiazole and thiadiazole moieties in advancing cancer treatment and support researchers in drug design, we developed a novel series of 1,3,4-thiadiazole and 1,3-thiazole derivatives. These were synthesized by reacting 2-(
Jehan Y. Al-Humaidi, Lamia A. Albedair, Basant Farag, Magdi E.A. Zaki, Yousef E. Mukhrish, Sobhi M. Gomha   +5 more
doaj   +1 more source

Exocyclic enaminones as building blocks for synthesis of bioactive polyheterocyclic compounds [PDF]

, 2014
The reaction of exocyclic enaminones namely, 2-(dimethylaminomethylene)-3,4-dihydro-2H-naphthalen-1-one,  3-(dimethylaminomethylene)-thiochroman-4-one and 2-(dimethyl-aminomethylene)-indane-1,3-dione, each with heterocyclic diazonium salts afforded the ...
Abdallah, Magda A., Aziza, Mohamed R. Abdel, Farghaly, Thoraya A.   +2 more
core   +1 more source

1,3,4‐Thia‐ and‐ Selenadiazole and 1,2,4‐Triazolo[4,3‐a]pyrimidine Derivatives from Hydrazonoyl Halides.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Nadia A. Abdel‐Riheem, Nora M. Rateb, Ali A. Al‐Atoom, Abdou O. Abdelhamid   +3 more
openaire   +1 more source

Trifluoromethylated hydrazones and acylhydrazones as potent nitrogen-containing fluorinated building blocks. [PDF]

Beilstein J Org Chem, 2023
Dongxu Z.
europepmc   +1 more source

Aspects of the chemistry of some highly crowded aromatic ligands [PDF]

, 1990
A series of ortho-substituted arylchlorophosphoranes has been prepared. The structures of these compounds have been studied by the use of (^31)Cl n.q.r. and solid-state (^31)P n.m.r. . It has been shown that ortho substitution by groups such as CH(_3) or
Straw, T. A.
core  

Novel thiazolyl-pyrimidine derivatives as potential anticancer agents: Synthesis, biological evaluation, and molecular docking studies

Results in Chemistry
We synthesized and spectroscopically confirmed a series of 1,3-thiazolyl-pyrimidine derivatives to investigate their potential role in cancer therapy.
Tariq Z. Abolibda, Abdel-Aziz A.A. El-Sayed, Basant Farag, Magdi E.A. Zaki, Abdulwahed Alrehaily, Hossein M. Elbadawy, Ahmad A. Al-Shahri, Saleh R. Alsenani, Sobhi M. Gomha   +8 more
doaj   +1 more source

A convenient synthesis of 5-amino-4-(2-benzothiazolyl)pyrazoles [PDF]

, 1997
1175 ...
Abdallah, Magda A, Mosselhi, Mosselhi AN, Riyadh, Sayed M, Shawali, Ahmad S   +3 more
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