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A New Approach to the Calculation of N-15 Chemical Shifts of Cyclic Compounds
N-15 chemical shift Additive parameters Regression analysis
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2010/4/16
Two sets of additive parameters used previously for the calculation of C-13 chemical shifts of mono and poly six-membered cycloalkanes were applied for the prediction of N-15 chemical shifts of some m...
A New Approach to Furan-Containing Macrolactones
Sonogashira reaction Mitsunobu reaction metathesis cytotoxicity
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2010/4/16
Furan and tetrahydrofuran heterocycles are part of many natural products, like the Galerucella pheromone, furano epothilones, bipinnatin, and amphidinolides. This paper describes a short and efficient...
A New Approach Towards (\pm)-4-Ipomeanol and Its 2-Furyl Regioisomer
(\pm)-4-ipomeanol solvolysis antimicrobial activity
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2010/4/19
The cytotoxic furan derivative (\pm)-4-ipomeanol (1) and its regioisomer (8) were prepared in a new and efficient way starting from commercially available furan derivatives. In both cases the key step...
A New Approach to the Ring Opening Reactions of 2,7,7-Trimethyl-3,3-dibromotricyclo[4.1.1.02,4]octane
2,7,7-Trimethyl-3 3-dibromotricyclo[4.1.1.02,4]octane
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2010/4/20
The reaction of a-pinene and dibromocarbene produced a fairly unstable product, 2,7,7-trimethyl-3,3-dibromotricyclo[4.1.1.02,4]octane, from which 3-bromo-7,7-dimethyl-2-methylenebicyclo[4,1,1]oct-3-en...