Results 361 to 370 of about 14,498,613 (385)
Total Synthesis of (+)‐Phyllantidine [PDF]
Angewandte Chemie International Edition, 2006 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.
Cheryl A. Carson, Michael A. Kerr
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Total Synthesis of (−)-Uniflorine A
Journal of Natural Products, 2009Total synthesis of (-)-uniflorine A (3) has been accomplished in nine steps and 11% overall yield from carbohydrate-based nitrone 5. The key steps of the synthetic strategy were a high regio- and complete stereoselective 1,3-dipolar cycloaddition of alkene 6 with nitrone 5, a Tamao-Fleming reaction for replacing the silicon substituent with a hydroxy ...
PARMEGGIANI, CAMILLA +3 more
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Methods Utilizing First-Row Transition Metals in Natural Product Total Synthesis.
Chemical Reviews, 2017First-row transition-metal-mediated reactions constitute an important and growing area of research due to the low cost, low toxicity, and exceptional synthetic versatility of these metals.
J. Zweig +2 more
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Total Synthesis of Rubriflordilactone B.
Angewandte Chemie, 2016Taking advantage of a 6π electrocyclization-aromatization strategy, we accomplished the first and asymmetric total synthesis of rubriflordilactone B, a heptacyclic Schisandraceae bisnortriterpenoid featuring a tetrasubstituted arene moiety. The left-hand
Peng Yang +4 more
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Total Synthesis of Longeracinphyllin A.
Journal of the American Chemical Society, 2017The first and asymmetric total synthesis of longeracinphyllin A, a hexacyclic Daphniphyllum alkaloid, has been accomplished. A tetracyclic intermediate was prepared through silver-catalyzed alkyne cyclization and Luche radical cyclization.
Jian Li +4 more
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Tetrahedron Letters, 1968
The diazotisation of 6,7-dimethoxy- and 7-ethoxy-6-methoxy-1-(2-amino-4,5-methylenedioxybenzyl)-1,2,3,4-tetrahydro-2-methylisoquinoline (XII) and (XV), followed by thermal decomposition, gave amurine (Ib), as a result of which Dopke's structure for the alkaloid was proved to be correct.
Keiichiro Fukumoto +2 more
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The diazotisation of 6,7-dimethoxy- and 7-ethoxy-6-methoxy-1-(2-amino-4,5-methylenedioxybenzyl)-1,2,3,4-tetrahydro-2-methylisoquinoline (XII) and (XV), followed by thermal decomposition, gave amurine (Ib), as a result of which Dopke's structure for the alkaloid was proved to be correct.
Keiichiro Fukumoto +2 more
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Angewandte Chemie, 2017
A ligand-promoted catalytic [4+2] annulation reaction using indole derivatives and donor-acceptor (D-A) cyclobutanes is reported, thus providing an efficient and atom-economical access to versatile cyclohexa-fused indolines with excellent levels of ...
Liang-Wen Feng +5 more
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A ligand-promoted catalytic [4+2] annulation reaction using indole derivatives and donor-acceptor (D-A) cyclobutanes is reported, thus providing an efficient and atom-economical access to versatile cyclohexa-fused indolines with excellent levels of ...
Liang-Wen Feng +5 more
semanticscholar +1 more source
Total Synthesis of Cruentaren A.
ChemInform, 2007AbstractChemInform 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.
Martin E. Maier, Viktor V. Vintonyak
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Total Synthesis of (.+‐.)‐Quadrangularin A.
ChemInform, 2006AbstractChemInform 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.
Zijie Hou, Wenling Li, Hao Li, Ying Li
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