WebA new 1,4-dihydroquinoline compound,2'-thioxo-2',3'-dihydro-l'H,2H-spiro [naphtho[2,1-b]furan-l,5'-pyrimido[4,5-b]quinoline]-2,4'(10'H)-dione (C22H13N3O3S),has been synthesized by the condensation of isatin,2-thiobarbituric acid and 2-naphthol in aqueous medium.The compound was characterized by IR,NMR,H RMS and single-crystal X-ray diffraction.The … WebThe Tanshinquinone, methylene-, with the CAS registry number 67656-29-5, is also known as Phenanthro(1,2-b)furan-10,11-dione, 6,7,8,9-tetrahydro-1-methyl-6-methylene-. This chemical's molecular formula is C 18 H 14 O 3 and molecular weight is 278.302.
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WebRoom temperature cyclization of arylpropiolic acid anhydride: Synthesis of naphtho[2,3-c]furan-1,3-dione derivatives Synth. Commun. 2024, 47 (21), 1973–1979 / Taylor & Francis WebPhenanthro (1,2-b)furan-10,11-dione, 6,7,8,9-tetrahydro-7-hydroxy-6- (hydroxymethyl)-1-methyl- C18H16O5 - PubChem Apologies, we are having some trouble retrieving data from our servers... PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA
WebProduct Name： 1,2-Didehydrotanshinone IIA Buy CAS ： 119963-50-7 Tel： Email： [email protected] Mobile： 13371865682 QQ ：2853109658 WebJun 7, 2013 · Phenanthro [1,2-b]furan-10,11-dione, 6,7,8,9-tetrahydro-1,6,6-trimethyl-. Formula: C 19 H 18 O 3. Molecular weight: 294.3444. IUPAC Standard InChI: …
WebPhenanthro[1,2-b]furan-10,11-dione, 6,7-dihydro-1,6,6-trimethyl- structural formula 1,2-Didehydrotanshinone IIA suppliers. Shanghai Yuanye Bio-Technology Co., Ltd. Request for … WebApr 8, 2024 · In orderto synthesize new pyridazine derivatives anellated with different nitrogen heterocyclic moieties, spiro[cycloalkane]pyridazinones were transformed into the corresponding thioxo derivatives via a reaction with phosphorus pentasulfide. The reaction of the formed 2,3-diazaspiro[5.5] undec-3-ene-1-thiones with hydrazine provided the …
WebA new 1,4-dihydroquinoline compound,2'-thioxo-2',3'-dihydro-l'H,2H-spiro [naphtho[2,1-b]furan-l,5'-pyrimido[4,5-b]quinoline]-2,4'(10'H)-dione (C22H13N3O3S),has been …
WebTanshinone IIA , its cas register number is 568-72-9. It also can be called Phenanthro [1,2-b]furan-10,11-dione, 6,7,8,9-tetrahydro-1,6,6-trimethyl- and 1,6,6-Trimethyl-6,7,8,9-tetrahydrophenanthro [1,2-b]furan-10,11-dione . Valid Period: 7 Days 10 Days 20 Days 1 Month 3 Months Detailed Requirements: Sample MOQ GMP FDA Price asia map political blankWebApr 11, 2024 · The top five components of the CB efficacy scores were: M341 (10.67, salviol), M400 (9.21, β-Sitosterol), M278 (8.87, phenanthro [1,2-b] furan- 11(2H)-one, 1, 8, 9, 10-tetrahydro-10-hydroxy-1, 6-dime-thyl-10-(2-oxopropyl)-, (1 R, 10 S)-; CAS:2123482-59-5), M377 (8.42, oleanolic acid), and M402 (8.26, β-Stigma- sterol). The top five components ... asia map ppt templateWebNov 1, 2005 · Request PDF On Nov 1, 2005, Lei Zhang and others published 1,6-Dimethylphenanthro[1,2- b ]furan-10,11-dione Find, read and cite all the research you need on ResearchGate asus m515da-bq1415 amd ryzen 5 3500uWebFeb 1, 2024 · Tanshinone IIA (Tan IIA) is one of the major lipophilic components derived from the root extract of Salvia miltiorrhiza. Its IUPAC nomenclature is Phenanthro [1, 2-b] furan-10, 11-dione, 6, 7, 8, 9-tetrahydro-1, 6, 6-trimethyl. It is regarded with a status of high repute in Traditional Chinese Medicine as it has been shown to possess ... asus m515da-br1213WebJun 13, 2009 · Phenanthro [1,2-b]furan-10,11-dione ( 13) To a stirred solution of potassium nitrosodisulfonate (Fremy’s salt) (170 mg, 0.65 mmol) in 12 mL 1/6 (M) Na 2 HPO 4 solution taken in a 50 mL round bottomed flask, a solution of the furonaphthol derivative 12 (50 mg, 0.21 mmol) in 6 mL methanol was added drop wise. asia map puzzle gameWebJan 11, 2024 · Among the docked ligands, Phenanthro[1,2-b]furan-10,11-dione,6,7,8,9-tetrahydro-1,6,6-trimethyl- showed the highest docking score of − 9.7 kcal/mol. … asia mapaWebSynthesis of phenanthro[1,2-b]furan-10,11-dione, the core nucleus present in Tanshinone-I is described in 8–10 steps starting from 2-bromo-3,4-dihydro-1-naphthaldehyde. The bromoaldehyde was converted to methyl 2-(2-bromo-1-naphthyl)acetate or 2-(2-bromo-1-naphthyl)acetonitrile following the protocol of functional group transformations. asus m515da-br1454w