✦ LIBER ✦

Studies in silanol synthesis: internal nucleophiles and steric hindrance

✍ Scribed by Athanasios Glekas; Scott McN Sieburth

Publisher: Elsevier Science
Year: 2001
Tongue: French
Weight: 60 KB
Volume: 42
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)00576-7

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: Studies in Silanol

ChemInform Abstract: Studies in Silanol Synthesis: Internal Nucleophiles and Steric Hindrance.

✍ Athanasios Glekas; Scott McN. Sieburth 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 26 KB

Making Use of Bond Strength and Steric H

Making Use of Bond Strength and Steric Hindrance in Nanoscale “Synthesis”

✍ Yanhu Wei; Kyle J. M. Bishop; Jiwon Kim; Siowling Soh; Bartosz A. Grzybowski 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 521 KB

Making Use of Bond Strength and Steric H

Making Use of Bond Strength and Steric Hindrance in Nanoscale “Synthesis”

✍ Yanhu Wei; Kyle J. M. Bishop; Jiwon Kim; Siowling Soh; Bartosz A. Grzybowski 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 522 KB

13C NMR study of the substituent effects

13C NMR study of the substituent effects on the internal steric hindrances in amidines

✍ Iwona Wawer 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 English ⚖ 480 KB 👁 1 views

17O NMR spectroscopic study of steric hi

17O NMR spectroscopic study of steric hindrance in phthalic anhydrides and phthalides

✍ A.L. Baumstark; P. Balakrishnan; D.W. Boykin 📂 Article 📅 1986 🏛 Elsevier Science 🌐 French ⚖ 278 KB

170 NMR data for sterically hindered phthalic anhydrides and phthalides showed unusual deshielding effects which were correlated with in-plane bond angle distortions (X-ray results and MM2 calculations); indicative of van der Waals repulsions. Table I. 170 NMR Data (21 ppm) for For both lb and lc, t

17O NMR study of steric hindrance in met

17O NMR study of steric hindrance in methoxylated flavones. Substitution on the phenyl ring and the heterocycle

✍ Jean-Claude Wallet; Emile M. Gaydou; M. T. Cung 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 212 KB 👁 1 views

## Abstract Natural abundance ^17^O NMR spectra were recorded for ten methoxyflavones and one flavonol. The chemical shifts are discussed in terms of steric and conformational changes. They are related to previously reported ^13^C NMR data.