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2‐Lithio‐1‐phenylpyrrole: X‐Ray Structure Analysis and 6 Li‐ 1 H 2D Heteronuclear Overhauser NMR Spectroscopy (2D HOESY)
Author(s) -
Bauer Walter,
Müller Gerhard,
Pi Rafael,
von Ragué Schleyer Paul
Publication year - 1986
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198611031
Subject(s) - chemistry , heteronuclear molecule , nuclear magnetic resonance spectroscopy , nuclear overhauser effect , crystallography , crystal structure , spectroscopy , nmr spectra database , nuclear magnetic resonance , spectral line , stereochemistry , physics , quantum mechanics , astronomy
By activation of H atoms in close spatial proximity, the Li substituent of a monolithium compound influences the position of the second lithiation . The crystal structure and the cross signals in the 6 Li 1 H 2D HOESY spectrum of 1 revealed three short LiH separations. Indeed, the H atom with the smallest separation (H11) is replaced upon reaction with n BuLi.
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