Results 31 to 40 of about 314,098 (329)

ANTIBIOTIC COMPOUND FROM MARINE ACTINOMYCETES (Streptomyces sp A11): ISOLATION AND STRUCTURE ELUCIDATON

Indonesian Journal of Chemistry, 2010
Purification and structure elucidation of antibiotic produced by marine actinomycetes (Streptomyces sp A11) was conducted. Production of antibiotic was carried out by liquid fermentation using yeast and peptone medium for 5 days fermentation ...
Rofiq Sunaryanto, Bambang Marwoto, Tun Tedja Irawadi, Zainal Alim Mas’ud, Liesbetini Hartoto   +4 more
doaj   +1 more source

6,7,8,9-Tetrafluoro-11H-indeno[1,2-b]quinoxalin-11-one

Molbank
Fluorinated aza-heterocycles are important in organic and medicinal chemistry. Currently, a quarter of the drugs on the global market contain fluorine. We report the synthesis of the title compound and its single-crystal XRD structure.
Anastasia R. Kovrizhina, Irina Yu. Bagryanskaya, Andrey V. Zibarev, Andrei I. Khlebnikov   +3 more
doaj   +1 more source

Synthesis and Structure Elucidation of 4-(4-Amino-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl-methylene)-2-phenyl-1H-imidazol-5(4H)-one

E-Journal of Chemistry, 2010
4-(4-Amino-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl-methylen)-2-phenyl-1(3H)-imidazol-5-one (5) was synthesized in four steps in high yield.
Hooshang Vahedi, Navabeh Nami, Nasrin Nami   +2 more
doaj   +1 more source

Enantiomeric characterization and structure elucidation of Otamixaban

Journal of Pharmaceutical Analysis, 2014
Otamixaban is a potent (Ki=0.5 nM) fXa inhibitor currently in late-stage clinical development at Sanofi for the management of acute coronary syndrome.
Jian Shen, Jiping Yang, Winfried Heyse, Harald Schweitzer, Norbert Nagel, Doris Andert, Chengyue Zhu, Vincent Morrison, Gregory A. Nemeth, Teng-Man Chen, Zhicheng Zhao, Timothy A. Ayers, Yong-Mi Choi   +12 more
doaj   +1 more source

N,N′-Bis[2-hydroxynaphthylidene]/[2-methoxybenzylidene]amino]oxamides and their divalent manganese complexes: Isolation, spectral characterization, morphology, antibacterial and cytotoxicity against leukemia cells

Open Chemistry, 2020
Manganese(ii) complexes of oxalic dihydrazones {N,N′-bis[2-hydroxynaphthylidene]amino]oxamide (BHO) and N,N′-bis[2-methoxybenzylidene]amino]oxamide (BMO)} have been synthesized by a general methodology.
Ahmed Ayman H.
doaj   +1 more source

Sustainable Cultural Development: the Fate of Balinese Adat Village Posterior the Enactment of Law Number 6 Year 2014 Concerning Village [PDF]

, 2015
Pengakuan keberadaan masyarakat adat sangat tergantung pada kehendak pemerintah yang berkuasa. Pemerintah Desa sebagaimana dirumuskan dalam Undang-Undang Nomor 6 Tahun 2014 tentang Desa serta Peraturan Pemerintah Nomor 43 Tahun 2014 tentang Peraturan ...
Nurjaya, I. N. (I)
core   +3 more sources

Recent developments in the rapid analysis of plants and tracking their bioactive constituents [PDF]

, 2009
Natural products chemistry has witnessed many new developments in the last 5 years like extractions with subcritical water and ionic liquids, LC/HRMS and LC/SPE/cryo-NMR, UHPLC, TLC/MS, MS-based preparative HPLC, comprehensive chromatography (GC × GC, LC
Beek, T.A., van, Claassen, F.W., Dapkevicius, A., Exarchou, V., Jeurissen, S.M.F., Klift, E.J.C., van der, Koleva, I., Tetala, K.K.R.   +7 more
core   +2 more sources

Elucidation of the hierarchical structure of natural eumelanins [PDF]

, 2018
Eumelanin is one of the most ubiquitous pigments in living organisms and plays an important role in coloration and UV protection. Because eumelanin is highly cross-linked and insoluble in solvents, the chemical structure is still not completely known. In
Chen, Wei, Dhinojwala, Ali, Hong, You-lee, Li, Weiyao, Miyoshi, Toshikazu, Nishiyama, Yusuke, Shawkey, Matthew, Xiao, Ming, Zhao, Jiuzhou   +8 more
core   +2 more sources

Isolation and Characterization of Aphidicolin Derivatives from Tolypocladium inflatum

Molecules, 2017
Inflatin G (1), a new aphidicolin analogue, together with seven known compounds inflatin A (2), inflatin B (3), aphidicolin (4), aphidicolin-17-monoacetate (5), gulypyrone A (6), pyridoxatin rotamers A (7) and B (8), were isolated from the ascomycete ...
Jie Lin, Shubin Niu, Zhengfeng Ding, Renlei Wang, Qun Dai, Wei Wei, Rongrong Luo, Ling Liu   +7 more
doaj   +1 more source

5-Hydroxy-3-(4-hydroxyphenyl)-8,8-dimethyl-6- (3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one [PDF]

, 2018
Natural and semi-synthetic compounds are being studied as novel phosphodiesterase 5 (PDE5) inhibitors for the treatment of erectile dysfunction, pulmonary hypertension, and lower urinary symptoms.
Ongaro, Alberto, Ribaudo, Giovanni, Zagotto, Giuseppe   +2 more
core   +1 more source