Results 221 to 230 of about 8,158 (274)

Structure-based design, and development of amidinyl, amidoximyl and hydroxamic acid based organic molecules as novel antimalarial drug candidates. [PDF]

Arab J Chem
Adebayo GP, Oduselu GO, Aderohunmu DV, Klika KD, Olasehinde GI, Ajani OO, Adebiyi E.   +6 more
europepmc   +1 more source

Synthesis of biopterin and related pterin glycosides

IUBMB Life, 2013
AbstractCertain pterins having a hydroxyalkyl side chain at C‐6 have been found as glycosidic forms in certain prokaryotes, such as 2′‐O‐(α‐D‐glucopyranosyl)biopterin from various kinds of cyanobacteria, and limipterin from a green sulfur photosynthetic bacterium.
Tadashi, Hanaya, Hiroshi, Yamamoto
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Psychiatric Manifestations in Patients with Biopterin Defects.

Neuropediatrics, 2022
Psychiatric manifestations in patients with tetrahydrobiopterin (BH4) defects are common, and may occur even with treatment of the underlying disorder.
M. Parfyonov, R. Friedlander, B. Banno, D. Elbe, G. Horvath   +4 more
semanticscholar   +1 more source

Synthesis of (‐)‐Biopterin

Liebigs Annalen der Chemie, 1989
AbstractThe synthesis of (‐)‐biopterin (1) was accomplished by employing (1S,2S)‐1‐(2‐furyl)‐2‐(trityloxy)‐1‐propanol (6), derived from ethyl (S)‐lactate, as building block for the side chain.
Kenji Mori, Haruhiko Kikuchi
openaire   +2 more sources

High-throughput polymer tip-electrospray ionization mass spectrometry for enhanced detection of neopterin and biopterin in clinical urine samples.

Journal of Mass Spectrometry, 2019
Urinary biopterin (Bio) and neopterin (Neo) are important markers for clinical diagnosis of hyperphenylalaninemia. Herein, we developed a high-throughput analysis method based on electrospray ionization mass spectrometry (ESI-MS) with polymer tips for ...
X. Yang, Huang Huang, Qinghong Lu, Shao-hong Chen, Feng Wang, Ouping Huang, Bin Hu, Bi-Cheng Yang   +7 more
semanticscholar   +1 more source

Biopterin

Neurochemical Research, 1976
Intraperitoneally injected [(14)C]biopterin (B), dihydrobiopterin (BH2), and tetrahydrobiopterin (BH4) penetrated the brain rapidly, but in amounts sufficient to represent only a minor source of supply. Unlike isobiopterin, B was rapidly reduced to BH2 in brain.
E M, Gal, G, Hanson, A, Sherman
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Chlorination of Biopterin in Water: Deciphering the Kinetics, Disinfection Byproducts, and Toxicity.

Environmental Science and Technology
Pterins, including biopterin prevalent during cyanobacterial blooms, are nitrogen-containing heterocyclic compounds ubiquitous in both natural and engineered environments.
Yanting Zuo, Shi Cheng, Yuze Han, Liangtao Pu, Erdeng Du, Mingguo Peng, Aimin Li, Wentao Li   +7 more
semanticscholar   +1 more source

Pteridine, LXXV. Synthese und Eigenschaften von Biopterin und Biopterin‐Analogen

Liebigs Annalen der Chemie, 1984
AbstractDie Synthese von Biopterin (6), seinem 2‐N,N‐Dimethyl‐ (8) und 4‐ Thioxo‐Derivat (19) sowie von Biolumazin (7) wird beschrieben. Durch Umsetzung von Biopterin mit α‐Acetoxyisobuttersäurechlorid läß sich die Seitenkette zu 6‐(L‐threo‐2‐Acetoxy‐1‐chlorpropyl)pterin (10) modifizieren, das als Ausgangsmaterial fär weitere Derivatisierungen dienen ...
Mathias Kappel, Rolf Mengel, Wolfgang Pfleiderer   +2 more
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Pteridine diuretics as biopterin antagonists

Biochemical Pharmacology, 1974
Abstract A series of pteridines having varying degrees of diuretic activity were tested for their effects on the growth of the pteridine-requiring flagellate, Crithidia fasciculata . Inhibition of growth was correlated with diuretic activity insofar as compounds devoid of diuretic effects were uninhibitory and active inhibitors were also good to ...
V C, Dewey, G W, Kidder
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