Results 151 to 160 of about 562 (194)

Design, synthesis and potent anti-pancreatic cancer activity of new pyrazole derivatives bearing chalcone, thiazole and thiadiazole moieties: gene expression, DNA fragmentation, cell cycle arrest and SAR. [PDF]

RSC Adv
Kamel MG, Sroor FM, Hanafy MK, Mahrous KF, Hassaneen HM.   +4 more
europepmc   +1 more source

Greening of Monocyclic N- and O‑Azole Synthesis through Sonochemistry. [PDF]

ACS Omega
Hoffman GR, Saeed MM, Schoffstall AM.
europepmc   +1 more source

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Reactions of hydrazonoyl halides with imidazoles and benzimidazoles

Journal of the Chemical Society, Perkin Transactions 1, 1979
Hydrazonoyl halides upon reaction with N-methylimidazole and N-substituted benzimidazoles yield ring opened 1 : 1 adducts. The action of aqueous sodium hydroxide on these adducts leads to the formation of pyrazin-2-one or quinoxalin-2-one derivatives via ring expansion.
Piero Dalla Croce, Mariateresa Ioannisci, Emanuela Licandro   +2 more
openaire   +1 more source

ChemInform Abstract: The Chemistry of Heterocyclic Hydrazonoyl Halides

ChemInform, 1996
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
A. S. SHAWALI, M. A. ABDALLAH
openaire   +1 more source

Microwave‐Assisted Reaction of Hydrazonoyl Halides with Carbodithioic Acid Hydrazones.

ChemInform, 2007
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Sayed M. Riyadh, Hamad M. Al‐Matar
openaire   +2 more sources

Hydrazonoyl halides: Useful building blocks for the synthesis of arylazoheterocycles

Journal of Heterocyclic Chemistry, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Ahmad Sami Shawali, Mosselhi A. N. Mosselhi   +1 more
openaire   +1 more source

Review of the synthesis and biological activity of hydrazonoyl halides

Synthetic Communications, 2020
This survey covers the literature data published on the chemistry of synthesis of hydrazonoyl halides within the past 20 years.
Abdelwahed R. Sayed, Sukinah H. Ali, Sobhi M. Gomha, Yasair S. Al-Faiyz   +3 more
openaire   +1 more source

1,4‐benzothiazine derivatives from 2‐aminobenzenethiol and hydrazonoyl halides

Journal of Heterocyclic Chemistry, 1983
Abstract2‐Aminobenzenethiol was condensed with alkyl α‐chlorophenylhydrazonoglyoxylates yielding alkyl 2‐(2‐aminophenylthio)‐2‐arylhydrazonoglyoxylates which were cyclized to the corresponding 2‐arylhydrazono‐2,3‐dihydro‐4H‐1,4‐benzothiazin‐3‐ones.
Nicoletta Almirante, Luciana Forti
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Synthesis of Two Isomeric Thiadiazine and Thiazole Derivatives from a Hydrazonoyl Halide

Polycyclic Aromatic Compounds, 2021
Thiadiazine and thiazoles have attracted importance due to their broad applicability as biologically active compounds.
Yasair S. Al-Faiyz, Abdelwahed R. Sayed
openaire   +1 more source

ChemInform Abstract: Reactions with Hydrazonoyl Halides. Part 10. Formation of Thiohydrazide, Hydrazonoyl Sulfide and Arylazothiazole Derivatives.

ChemInform, 1995
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
A. O. ABDELHAMID, H. F. ZOHDI, N. M. RATEB   +2 more
openaire   +1 more source