Results 241 to 250 of about 126,036 (251)

Reactions with Hydrazonoyl Halides 63: Synthesis and Anticancer Activity of Some New 1,3,4-Thiadiazoles, 1,3,4-Selenadiazoles, and 1,2,4-Triazolo[4,3-a]pyrimidines

, 2010
Eman K. A. Abdelall, M. Mohamed, A. Abdelhamid   +2 more
semanticscholar   +1 more source

Studies with Functionally Substituted Enamines: The Reactivity of Enaminals and Enamino Esters toward Naphthoquinone, Hydrazonoyl Halides, Aminoazoles and Hippuric Acid

, 2005
Saad Makhseed, Balkis Al‐Saleh, Huwaida M. E. Hassaneen, Mohamed Hilmy Elnagdi   +3 more
openalex   +1 more source

Reactions with Hydrazonoyl Halides 53:1 Synthesis and Antimicrobial Activity of Triazolino[4,3-a]pyrimidines and 5-Arylazothiazoles

, 2008
A. Abdelhamid, Zeineb H. Ismail, Marwa S. El Gendy, M. Ghorab   +3 more
semanticscholar   +1 more source

Reactions with Hydrazonoyl Halides. Part 40. Synthesis of Some New 1,3,4‐Thiadiazoles, Pyrrolo[3,4‐c]pyrazoles, Pyrazoles, and Pyrazolo[3,4‐d]pyridazines.

, 2005
C. Moustapha, Nadia A. Abdel‐Riheem, Abdou O. Abdelhamid   +2 more
openalex   +1 more source

Reaction of Hydrazonoyl Halides 511: A Facile Synthesis of 5-Arylthiazoles and Triazolino[4,3- a ]pyrimidines as Antimicrobial Agents

, 2007
A. Abdelhamid, A. R. Sayed, Yasser H. Zaki   +2 more
semanticscholar   +1 more source

Reactions with Hydrazonoyl Halides. Part 42. Synthesis of Some New 2,3‐Dihydro‐1,3,4‐thiadiazoles, 2,3‐Dihydro‐1,3,4‐selenadiazoles and Triazolino[4,3‐a]pyrimidines.

, 2005
Abdou O. Abdelhamid, Mohamed A. M. Alkhodshi   +1 more
openalex   +1 more source

Site Selectivity in Reactions of Hydrazonoyl Halides with 2‐Amino‐3‐quinoxalinethiol: A New General Access to Functionalized 4H‐1,3,4‐thiadiazino‐[5,6‐b]quinoxalines.

, 2006
Ahmad Sami Shawali, Mosselhi A. N. Mosselhi, Thoraya A. Farghaly   +2 more
openalex   +1 more source

Reactions with Hydrazonoyl Halides 611: Synthesis of 2,3-Dihydro-1,3,4-Thiadiazoles

, 2008
A. Abdelhamid, M. A. M. Afifi
semanticscholar   +1 more source

Reaction of Hydrazonoyl Halides 52: Synthesis and Antimicrobial Activity of Some New Pyrazolines and 1,3,4-Thiadiazolines

, 2007
Abdou O. Abdelhamid, Abdelwahed R. Sayed
openalex   +1 more source

Reactions With Hydrazonoyl Halides 45: Synthesis of Some New Triazolino[4,3‐a]pyrimidines, Pyrazolo[3,4‐d]pyridazines, Isoxazolo[3,4‐d]pyridazines, and Thieno[2,3‐b]pyridines

, 2006
A. Abdelhamid, Ali A. Al-Atoom
semanticscholar   +1 more source