Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Khalid Mohamed Hassan"'
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Simultaneous Video- Assisted Thoracoscopic Debridement/ Fusion and Percutaneous Transpedicular Instrumentation in Prone Position for Thoracic and Thoracolumbar Infections
Autor: Mohamed El-Meshtawy, Khalid Mohamed Hassan, Hamdan Abdelrahman, Heinrich Boehm, Mohamed Gamal Hassan, Mootaz Shousha
Publikováno v: Egyptian Spine Journal, Vol 15, Iss 1, Pp 15-23 (2015)
Background Data: with increased life expectancy, the incidence of spinal infections in elderly with debilitating disease is rising. The traditional operative therapy in this age group has several morbidities and increased mortality rate. The usage of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98912878a5248275e2b6b33c5badb0aa
https://doi.org/10.21608/esj.2015.3971
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4
Activated nitriles in heterocyclic synthesis: Novel Synthesis of Pyrimidine and of Pyridine Derivatives
Autor: Mohamed Hilmy Elnagdi, Nabila A. Ismail, Zaghloul E. Kandeel, Khalid Mohamed Hassan
Publikováno v: Journal f�r Praktische Chemie. 326:248-252
α-Cyanochalcone reacted with thiourea and guanidine to yield the corresponding pyrimidine derivatives 2 and 4. On the other hand, urea reacted with the same reagent under the same experimental conditions to yield the known urea derivatives 3. A new
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea40f4bc64c0d8ff2cf2a533cb839c61
https://doi.org/10.1002/prac.19843260208
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5
Substituted Acrylonitriles in Heterocyclic Synthesis. The Reaction of α-Substituted β-(2-Furyl)-acrylonitriles with Some Active-Methylene Heterocycles
Autor: Mohamed Hilmy Elnagdi, Zaghloul E. Kandeel, Khalid Mohamed Hassan Himly, Fathy M. Abdelrazek
Publikováno v: Synthesis. 1985:432-434
La reaction d'α-cyano-, d'α-benzoyl- et d'α-ethoxycarbonylfuranneacrylonitriles-2 avec des pyrazoline-2ones-5, thiazolidinedione-2,4 et thioxo-4 thiazolidone-2 conduit respectivement aux [furyl-2]-4 pyranno [2,3-c] pyrazolecarbonitriles-5, [furyl-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72d36fbe60df21605355d2ac60131224
https://doi.org/10.1055/s-1985-31232
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6
ChemInform Abstract: ACTIVATED NITRILES IN HETEROCYCLIC SYNTHESIS: NOVEL SYNTHESIS OF PYRIMIDINE AND OF PYRIDINE DERIVATIVES
Autor: Khalid Mohamed Hassan, Nabila A. Ismail, Mohamed Hilmy Elnagdi, Zaghloul E. Kandeel
Publikováno v: Chemischer Informationsdienst. 15
α-Cyanochalcone reacted with thiourea and guanidine to yield the corresponding pyrimidine derivatives 2 and 4. On the other hand, urea reacted with the same reagent under the same experimental conditions to yield the known urea derivatives 3. A new
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::782357326df4c4f6566294644498d173
https://doi.org/10.1002/chin.198431233
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