The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Bis((S)-4-phenyl-4,5-dihydrooxazol-2-yl)methane, is researched, Molecular C19H18N2O2, CAS is 132098-59-0, about The addition patterns of C60 trisadducts involving the positional relationships e and trans-n (n = 2-4). Isolation, properties, and determination of the absolute configuration of tris(malonates) and tris[bis(oxazolines)], the main research direction is fullerene trisadduct preparation CD absolute configuration; C60 trisadduct preparation CD absolute configuration; malonate C60 cycloadduct preparation absolute configuration; methyleneoxazoline C60 cycloadduct preparation absolute configuration.Category: indole-building-block.
A series of regioisomeric trisadducts of C60 having the positional relationships e and trans-n (n = 2-4) resulting from successive additions of malonates or bis(oxazolines) to [6,6]-double bonds of the fullerene framework was isolated and characterized. The new adducts partly represent examples of unprecedented addition patterns. The addition patterns of the new trisadducts with C2, Cs or C1 symmetry were assigned on the basis of the known positional relationships of the addends in their precursor bisadducts, and those of the C2- or Cs-sym. representatives were verified by NMR anal. The absolute configurations of the adducts with inherently chiral addition patterns could be determined either by comparison of the calculated and exptl. CD spectra of the bis(oxazoline) adducts or with knowledge of the absolute configurations of the chiral bisadduct precursors containing bis(oxazoline) addends. The CD spectra of the pairs of diastereomers with an enantiomeric addition pattern show mirror image behavior and pronounced Cotton effects.
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Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles