Results 71 to 80 of about 9,122 (180)

1,3-Dicarbonyl compounds in stereoselective domino and multicomponent reactions

open access: yes, 2010
International audienceModern organic synthesis focuses on the discovery and the development of stereoselective multiple bond-forming transformations allowing the creation of several covalent bonds in a single operation.
Bonne, Damien   +3 more
core   +4 more sources

Trace minerals in human health: iron, zinc, copper, manganese and fluorine [PDF]

open access: yes, 2019
Trace elements exist in the environment in small amounts but play an essential part in sustaining various physiological and metabolic processes occurring within living tissues, as enzymes structure and function, bone and blood maintenance, immune ...
Ferreira da Vinha, Ana   +3 more
core  

Ösztrán vázas vegyületek A- és D-gyűrűben történő módosítása [PDF]

open access: yes, 2018
Our work was started with the aromatic halogenation of 13α-estrone. 3-O-Methyl- and 3-O-benzyl-protected 13α-estrone were successfully reacted with N-iodo-, N-bromo- or N-chlorosuccinimide to afford 2-, 4- and 2,4-bis-substituted derivatives at ring A ...
Bacsa Ildikó
core  

Vasorelaxant Effect of a Newly Synthesized Dihydropyridine Ethyl Ester (DHPEE) on Rat Thoracic Aorta: Dual Mechanism of Action [PDF]

open access: yes, 2011
Introduction: DHPEE is a newly synthesized compound by merging the key structural elements in an angiotensin receptor blocker (Telmisartan) with key structural elements in 1,4- dihydropyridine calcium channel blocker (Nifedipine).
Afsaneh Gharehbagheri   +4 more
core  

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