Rotational equilibria in 1,2,6-trisubstituted pyridinium cations and reactions of 2-Isopropylpyrylium cations
摘要:
Abstract2‐Isopropyl‐6‐phenyl‐ and 2,6‐diisopropyl‐pyridiniums with bulky 1‐substituents show temperature‐variable NMR spectra which are interpreted in terms of restricted rotation. 2‐Isopropyl‐4,6‐diphenylpyrylium can be deprotonated at the isopropyl group to give an anhydro base which forms new pyryliums with electrophiles.
Rotational equilibria in 1,2,6-trisubstituted pyridinium cations and reactions of 2-Isopropylpyrylium cations
摘要:
Abstract2‐Isopropyl‐6‐phenyl‐ and 2,6‐diisopropyl‐pyridiniums with bulky 1‐substituents show temperature‐variable NMR spectra which are interpreted in terms of restricted rotation. 2‐Isopropyl‐4,6‐diphenylpyrylium can be deprotonated at the isopropyl group to give an anhydro base which forms new pyryliums with electrophiles.
Rotational equilibria in 1,2,6-trisubstituted pyridinium cations and reactions of 2-Isopropylpyrylium cations
作者:Alan R. Katritzky、Socrates N. Vassilatos、Mateo Alajarin-Ceron
DOI:10.1002/omr.1270211002
日期:1983.10
Abstract2‐Isopropyl‐6‐phenyl‐ and 2,6‐diisopropyl‐pyridiniums with bulky 1‐substituents show temperature‐variable NMR spectra which are interpreted in terms of restricted rotation. 2‐Isopropyl‐4,6‐diphenylpyrylium can be deprotonated at the isopropyl group to give an anhydro base which forms new pyryliums with electrophiles.