Results 71 to 80 of about 9,182 (197)

Waltherione C and cleomiscosin from Melochia umbellata var. Degrabrata K. (Malvaceae), biosynthetic and chemotaxonomic significance [PDF]

open access: yes, 2014
Waltherione C, a 4-quinolinone secondary metabolite, and cleomiscosin have been isolated from Melochia umbellata (Malvaceae).A biosynthetic scheme incorporating the unique 4-pyridones and 4-quinolones isolated from Melochia and Waltheria spp.
Noor, Alfian, Soekamto, Nunuk H.
core   +1 more source

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

Review: Marine natural products [PDF]

open access: yes, 2005
This review covers the literature published in 2003 for marine natural products, with 619 citations (413 for the period January to December 2003) referring to compounds isolated from marine microorganisms and phytoplankton, green algae, brown algae, red ...
Blunt, John W.   +4 more
core   +3 more sources

Flavonoids as GABAA receptor ligands: the whole story? [PDF]

open access: yes, 2012
Benzodiazepines are the most widely prescribed class of psychoactive drugs in current therapeutic use, despite the important unwanted side effects that they produce, such as sedation, myorelaxation, ataxia, amnesia, and ethanol and barbiturate ...
Marder, Nora Mariel   +1 more
core   +1 more source

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  

Reciprocal Modulation of Hepatic Cytochrome P450 Gene Expressions with Streptozotocin Induced Diabetes and Resveratrol [PDF]

open access: yes, 2011
Cytochrome P450s are very large and diverse superfamily of hemoproteins found in all domains of life and diverse array of compounds can influence the relative concentrations and/or activities of P450s.
Sadi, Gökhan, Sadi, Özlem
core  

ABUSE OF ANABOLIC ANDROGENIC STEROIDS [PDF]

open access: yes, 2009
According to the International Olympic Committee, the abuse of anabolic androgenic steroids (AASS) is found in over 50% of positive doping tests. AASS abuse is not restricted to the organized sports andwidespread use.
Abbas Yavari
core  

Analysis of volatile organic compounds [PDF]

open access: yes, 1977
An apparatus and method are described for reproducibly analyzing trace amounts of a large number of organic volatiles existing in a gas sample.
Zlatkis, A.
core   +1 more source

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