Results 111 to 120 of about 10,390 (256)

Analoghi chinossalinici omologhi del thymitaq e 2-(ariltio)chinossaline analoghe del trimetrexato e del metotrexato [PDF]

open access: yes, 2002
Abbiamo progettato una nuove serie di chinossaline le quali possono comportarsi come bioisosteri delle pteridine e delle chinazoline dotate di attività antifolica, apparse recentemente in ...
Costi, M. Paola   +7 more
core  

5-Ethyl-4a-methoxy-1,3-dimethyl-4a,5-dihydrobenzo[g]pteridine-2,4(1H,3H)dione [PDF]

open access: gold, 2009
Petra Ménová   +4 more
openalex   +1 more source

Fundamental Molecules of Life are Pigments which Arose and Evolved to Dissipate the Solar Spectrum

open access: yes, 2014
The driving force behind the origin and evolution of life has been the thermodynamic imperative of increasing the entropy production of the biosphere through increasing the global solar photon dissipation rate.
Michaelian, Karo, Simeonov, Aleksandar
core   +2 more sources

Pteridines CV

open access: yesPteridines, 1995
Treatment of L-biopterin (I) with N,N-dimethyformamide dimethyl- (or diethyl)acetal and then with acetic anhydride in pyridine gave 1',2'-di-O-acetyl-N'-(N,N-dimethylaminomethylene)-L-biopterin (4), which was converted by the Mitsunobu reaction into 3-methyl (5) and 3-p-nitrophenetyl derivatives (7). The protective groups on the side chain diols and N2
Hanaya Tadashi   +5 more
openaire   +1 more source

In-vitro Site-directed Mutagenesis of Human Dihydropteridine Reductase

open access: yesPteridines, 1996
Armarego Wilfred L. F.   +2 more
doaj   +1 more source

Triphenyltin induced darker body coloration by disrupting melanocortin system and pteridine metabolic pathway in a reef fish, Amphiprion ocellaris

open access: yesEcotoxicology and Environmental Safety
Triphenyltin (TPT) is a typical persistent organic pollutant whose occurrence in coral reef ecosystems may threaten the survival of reef fishes. In this study, a brightly colored representative reef fish, Amphiprion ocellaris was used to explore the ...
Song Liu   +6 more
doaj   +1 more source

Anti-Leishmanial Activity of Flavanone Analogues Targeting Pteridine Reductase [PDF]

open access: hybrid, 2018
Afroze Alam   +5 more
openalex   +1 more source

A Facile Method for Regioselective 6,7-Disubstitution of Pteridine

open access: diamond, 2000
Shizuaki Murata   +3 more
openalex   +1 more source

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