O-heterociklusos vegyületek, szekunder monoalkoholok és primer monoaminok kiroptikai vizsgálata

Translated title of the contribution: Chiroptical study of O-heterocyclic compounds, secondary monoalcohols and primary monoamines

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Abstract

Starting from cholesterol (1), model compounds containing 2,3-dihydrobenzo[b]furan or 4H-benzopyran chromophores of known configurations and rigid conformations (6, 10 and 7) were synthesized in a stereocontrolled sequence. A helicity rule was established for the 2,3-dihydrobenzo[b]furan chromophore (P/M helicity of the heteroring gives rise to negative/positive 1Lb-band CD) on the basis of which the configurational assignment of norneolignans 11-13 isolated from Krameria cystisoides were revised. The synthesis and configurational assignment of the tetrahydro-2,6-methano-1-benzoxocine derivative (-)-14, homochiral with the cholestane derivative 7, was performed which allowed the study of the contribution of the chiral third and fourth sphere to the 1L b-band CD of the 4H-benzopyran chromophore. With the use of zinc porphyrin tweezer 20, an exciton chirality CD method was introduced for the configurational assignment of secondary monoalcohols and primary monoamines and its applicability was proved by the study of compounds with known configuration.

Original languageHungarian
Pages (from-to)171-178
Number of pages8
JournalActa pharmaceutica Hungarica
Volume73
Issue number3
Publication statusPublished - Oct 30 2003

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ASJC Scopus subject areas

  • Pharmaceutical Science

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