The conformational analysis of aromatic methoxyl groups from carbon-13 chemical shifts and spin-lattice relaxation times期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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The conformational analysis of aromatic methoxyl groups from carbon-13 chemical shifts and spin-lattice relaxation times

Authors:	Alexandros Makriyannis James J Knittel

Institution:	Department of Medicinal Chemistry and The Institute of Materials Science University of Connecticut, Storrs, Conn. 06268 USA

Abstract:	In a series of polymethoxy benzaldehydes and acetophenones it was found that diortho-substitution distorts the ArOCH₃ conformation. This distortion is accompanied by a downfield shift in the corresponding methoxyl ¹³C frequencies and an increase in their spin-lattice relaxation times.

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