Results 81 to 90 of about 479 (139)
Research Progress on the Effect of <i>Thesium chinense Turcz.</i> on Neurodegenerative Diseases. [PDF]
Int J Mol SciLi Z +7 more
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Skeletal Editing Strategies Driven by Total Synthesis. [PDF]
Acc Chem ResKim SF +3 more
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Cutting-edge plant natural product pathway elucidation. [PDF]
Curr Opin BiotechnolHan J, Miller EP, Li S.
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Natural Product Reports, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Ma, X., Gang, D.R.
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AbstractFor Abstract see ChemInform Abstract in Full Text.
Ma, X., Gang, D.R.
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LYCOPODIUM ALKALOIDS: PART IV. ALKALOIDS OF JAMAICAN LYCOPODIUM CLAVATUM LINN.
Canadian Journal of Chemistry, 1961Seven alkaloids have been isolated from L. clavatum Linn. collected in Jamaica, clavolonine C16H25NO2, fawcettiine C18H29NO3, base A (now named fawcettimine), lycopodine, dihydrolycopodine, and L.2 (acetyldihydrolycopodine). Fawcettimine is a secondary amine now shown to be C16H25NO2.
R. H. Burnell, B. S. Mootoo
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ChemInform, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Jun'ichi, Kobayashi, Hiroshi, Morita
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AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Jun'ichi, Kobayashi, Hiroshi, Morita
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HETEROCYCLES, 2009
Lycopodium alkaloids are unique heterocyclic alkaloids having C 11 N, C 15 N 2 , C 16 N, C 16 N 2 , C 22 N 2 , and C 27 N 3 types from genus Lycopodium and have attracted great interest from biogenetic and biological points of view as well as providing challenging targets for total synthesis.
Hiroshi Morita +2 more
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Lycopodium alkaloids are unique heterocyclic alkaloids having C 11 N, C 15 N 2 , C 16 N, C 16 N 2 , C 22 N 2 , and C 27 N 3 types from genus Lycopodium and have attracted great interest from biogenetic and biological points of view as well as providing challenging targets for total synthesis.
Hiroshi Morita +2 more
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Synthesis of the Lycopodium Alkaloid (+)-Lycoflexine
Journal of the American Chemical Society, 2010The first total synthesis of (+)-lycoflexine (1), a constituent of Lycopodium clavatum var. inflexum , has been accomplished in eight steps with 13% overall yield. Our synthesis covers four one-pot reactions, including a tandem Sakurai/aldol sequence, a novel hydroboration/oxidation procedure, a deprotection/transannular Mannich reaction, and as a ...
Ramharter, Jürgen +2 more
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Alkaloids from Lycopodium casuarinoides
Journal of Natural Products, 1994In addition to huperzinine [1], a new alkaloid, N-demethylhuperzinine [2], was isolated from the aerial parts of Lycopodium casuarinoides by bioassay-directed fractionation. The structure of 2 was established by spectral analysis and extensive nOe difference nmr studies as well as spectral comparison with huperzinine.
Y C, Shen, C H, Chen
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Tetrahedron, 1962
Abstract Structures VIIa and VIIIa are developed for α- and β-obscurine, respectively. The transformation of α-obscurine (VIIa) into dihydrolycopodine (XII) is described. Since the structure and stereochemistry of the latter is known, the structure and stereochemistry of the obscurines is thereby established and is as shown in XIV.
W.A. Ayer, J.A. Berezowsky, G.G. Iverach
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Abstract Structures VIIa and VIIIa are developed for α- and β-obscurine, respectively. The transformation of α-obscurine (VIIa) into dihydrolycopodine (XII) is described. Since the structure and stereochemistry of the latter is known, the structure and stereochemistry of the obscurines is thereby established and is as shown in XIV.
W.A. Ayer, J.A. Berezowsky, G.G. Iverach
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