SYNTHESIS OF PICHROMENES 1 DERIVATIVES
SYNTHESIS OF PICHROMENES 1 DERIVATIVES
... 7.40-7.36(m,1H,CH), 7 .17 (s,1H,CH), 6.72(s,1H,CH) 13 6.07, 13 1.23, 12 9.05, 12 8.97, 12 7.80, 12 6. 51, 12 5 .11 , 12 4.52, 12 4.03, 11 9.89, 11 9.37, 11 8.63, 11 2.87, 11 4. 81, 72.96 12 9 .19 , 12 6.49, 12 3.23, 11 7.52, ... 7 .17 (s,1H,CH), 6.72(s,1H,CH) 13 C-NMR (CDCl3, 300MHz) : 13 6.07, 13 1.23, 12 9.05, 12 9 .19 , 12 8.97, 12 7.80, 12 6. 51, 12 6.49, 12 5...
Ngày tải lên: 02/12/2015, 11:19
Synthesis of Pichromenes, a Potential Anticancer Agent Using Organocatalyst
... maintaining the temperature at 100C A white pasty mass appeared soon After all of the alkaline solution was added, the pasty mass was disolved with 60 mL of cold water The product is precipitated ... conditions and yields have been showed on the table Similar to L-proline 3, L-pipecolic acid is an organocatalyst with high enantioselectivity In the mechanism of reaction, organocatal...
Ngày tải lên: 24/06/2015, 08:17
Synthetic studies towards total synthesis of bielschowskysin 1
... lophotoxin and 11 pukalide x Scheme 1. 9 Marshall’s synthesis of the furan moiety of rubifolide 11 Scheme 1. 10 Marshall’s synthesis of furan moiety from an alkynone β-ketoester 11 Scheme 1. 11 Paquette’s ... Characterisation 1. 1.2 Biological Activity 1. 1.2 .1 Antimalarial Agents and Continuing Needs 1. 1.3 Proposed Biosynthesis 1. 1.4 Related Diterpene Natural Pro...
Ngày tải lên: 11/09/2015, 09:13
Báo cáo khoa học: Mycobacterium tuberculosis possesses a functional enzyme for the synthesis of vitamin C, L-gulono-1,4-lactone dehydrogenase doc
... (Paris, France): 5forGulox (forward), 5¢-GGGGACAAGTTT GTACAAAAAAGCAGGCTTCGATGACGACGACAAG ATGAGCCCGATATGGAGTAATTGGCCT-3¢; and 3revGulox (reverse), 5¢-GGGGACCACTTTGTACAAGAAA GCTGGGTCTCAGGGACCGAGAACGCGCCGGGTGT ... as a direct electron acceptor The animal and plant l-gulonolactone oxidoreductases are also active towards the l-galactono-1,4-lactone substrate Only scarce data are available on...
Ngày tải lên: 07/03/2014, 12:20
facile hydrothermal route to the controlled synthesis of a - fe2o3 1 - d nanostructures
... occurred immediately Then the mixture solution was transferred into a commercial stainless steel Tef- lon-lined autoclave of 50 mL capacity The autoclave was maintained at a temperature of 18 0°C ... water and absolute ethanol respectively, and finally dried in air at 60°C The XRD pattern of prepared powder sample was collected using a Rigaku D/ Max-2200PC X-ray diffractom...
Ngày tải lên: 19/03/2014, 16:48
Báo cáo khoa học: Signalling and regulation of collagen I synthesis by ET-1 and TGF-b1 doc
... values TGF-b1 signalling was affected similarly, with no effect by inhibiting PLC-b (Fig 5A), strong down -regulation of collagen I levels after inhibition of PC-PLC (Fig 5B), and similar collagen I ... subunit of Gai [45] was inhibited specifically by U73122 [46] Inhibiting PLC-b by U73122 did not alter ET-1- induced collagen I synthesis, nor did it influence b...
Ngày tải lên: 23/03/2014, 11:20
Báo cáo hóa học: "Solvothermal Synthesis of Ternary Sulfides of Sb2 (x 5 0.4, 1) with 3D Flower-Like Architectures" ppt
... (3 61) ( 152 ) (52 2) (312) (1 61) (50 1) (160) (1 41) (4 21) (2 11) b (2 21) (3 11) (3 01) (2 31) (240) (220) (020) (120) Intensity (a.u) semiconductor ... preparation of ternary sulfide Sb2 - xBixS3 (x = 0.4, 1.0) flower-like nanostructures The possible formation mechanism of the flower-like Sb2 - xBixS3 is suggested The optical properties of the Sb2 - ... Bi-dop...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo vật lý: "Synthesis of Hydroxyl Radical Scavengers from Benzalacetone and its Derivatives" pot
... concentration of the compounds that caused 50% inhibition BHT was used as a positive control Synthesis of Hydroxyl Radical Scavengers 64 RESULTS AND DISCUSSION Synthesis of benzalacetone and its derivatives ... acetone and benzaldehyde and its derivatives.17,18 The structures of benzalacetone and its derivatives are shown in Figure The products of the synt...
Ngày tải lên: 07/08/2014, 14:20
báo cáo khoa học: " Evidence-informed health policy 1 – Synthesis of findings from a multi-method study of organizations that support the use of research evidence" pptx
... Journal of Health Services Research and Policy 2005, 10 :S1:35-S1:48 Sheldon TA: Making evidence synthesis more useful for management and policy- making Journal of Health Services Research and Policy ... contributed to drafting the article RM participated in the design of the study, led the data collection for the second and third phases of the study, led...
Ngày tải lên: 11/08/2014, 16:21
Synthesis of various magnetic nanostructures and the microwave characterizations 1
... between these two parameters can be reduced when the permeability of the magnetic materials is high 1. 1.3 Snoek’s law For soft magnetic bulk materials, the product of the intrinsic permeability μi and ... μi at microwave frequency band There is another expression of Snoek’s law for planar materials, which is given as[8] 1/ 2 H (μi − 1) fr = γ4πMs ( ) H ea (1. 11) whe...
Ngày tải lên: 08/09/2015, 19:41
Asymmetric synthesis of furan and oxindole derivatives with bifunctional and multifunctional organic catalysts
... development of asymmetric synthesis of furan and oxindole derivatives with tertiary amine thiourea organocatalysts, including enantioselective synthesis of 3(2H)-furanones and 2,3-dihydrofurans with ... ASYMMETRIC SYNTHESIS OF FURAN AND OXINDOLE DERIVATIVES WITH BIFUNCTIONAL AND MULTIFUNCTIONAL ORGANIC CATALYSTS DOU XIAOWEI (B.Sc., Nanjing U...
Ngày tải lên: 10/09/2015, 09:06
Affinity guided isolation, structure elucidation and total synthesis of laetirobin a and its analogue synthesis for therapeutic development 1 4
... δ 15 9 .42 , 15 8 .10 , 15 5.06, 15 5.03, 15 4 .19 , 15 3.80, 15 3.25, 15 1.98, 12 9.50, 12 9.03, 12 8.39, 12 8 .12 , 12 4. 42, 12 3.22, 12 2.83, 12 1. 34, 12 1.29, 12 0.66, 11 1 .49 , 11 1.23, 11 1. 01, 11 0.55, 10 6 .10 , 10 4. 92, ... 16 1.5, 16 1 .4, 16 1.3, 15 9.8, 15 9.7, 15 9.7, 15 9.6, 15 8.7, 15 8.2, 15 7.3, 15 3.7, 14 4. 7, 12 3.9, 12 3.9,...
Ngày tải lên: 10/09/2015, 15:48
Design and synthesis of donor acceptor hybridized small molecules and graphene derivatives for photovoltaic and optical studies
... DESIGN AND SYNTHESIS OF DONOR ACCEPTOR HYBRIDIZED SMALL MOLECULES AND GRAPHENE DERIVATIVES FOR PHOTOVOLTAIC AND OPTICAL STUDIES ANUPAM MIDYA M.Sc (Chemistry), ... the interface of the donor and acceptor material and split into hole and electron For efficient charge separation, the HOMO and LUMO energy levels of p-type (Donor) and n-type (A...
Ngày tải lên: 10/09/2015, 15:49
Synthesis and biological investigation of pyrimido 1,2 a 1,3,5 triazine and its analogues 2
... Methionine aminopeptidase Translation, ribosomal structure and biogenesis 2ea2, 1boa, 2gg8, 2p98, 2g6p 2. 948 0.58 62 43 1-aminocyclopropane-1carboxylate deaminase Amino acid transport and metabolism ... hepatocyte growth factor activity 3f 82, 3cd8 2. 956 0 .27 23 Branched-chain-amino-acid aminotransferase, mitochondrial Amino acid transport and metabolism 1kta, 1kt8 2. 94 0 .26...
Ngày tải lên: 10/09/2015, 15:49
Synthesis and biological investigation of pyrimido,1,2 a ,1,3,5,triazine and its analogues 1
... derivatives Anti-fungal activity was stated for derivatives 10 1a against Microsporum canis and average affinity of 10 1b for serotoninergic 5-HT 1A and 5-HT2B receptors was also published by Lucry and ... cyclocondensation of biguanide and its analogues 13 2 with ethyl acetoacetate gave 12 8 -13 1 as reported by Curd and Rose92 (Scheme 39, Method A) There was a nee...
Ngày tải lên: 10/09/2015, 15:49