✦ LIBER ✦

The Conformation of 1,6-Diaza-2,7-cyclodecadione in Solution

✍ Scribed by Tammo Winkler; Thomas Leutert

Publisher: John Wiley and Sons
Year: 1982
Tongue: German
Weight: 204 KB
Volume: 65
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19820650611

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

From ^1^H‐ and ^13^C‐NMR. data, a crown conformation with trans amide bonds is deduced for 1,6‐diaza‐2,7‐cyclodecadione (1) in solution. Compound 1 was obtained by reaction of 2‐pyrrolidone with POCl~3~.

📜 SIMILAR VOLUMES

The conformation of 1,6-anhydrolactose a

The conformation of 1,6-anhydrolactose and its hexa-acetate in solution

✍ Alfonso Rivera-Sagredo; Jesús Jiménez-Barbero 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 857 KB

The conformation of 1,6-anhydrolactoase (1) has been investigated by n.m.r. spectroscopy and molecular mechanics calculations. For a solution in D2O, the 1,6-anhydroglucopyranoid ring has a 1C4 conformation, whereas there is a approximately 1:1 equilibrium between the 1C4 and the BO,3 conformations

Conformations in solution of angiotensin

Conformations in solution of angiotensin II, and its 1–7 and 1–6 fragments

✍ J. A. Cushman; P. K. Mishra; A. A. Bothner-By; M. S. Khosla 📂 Article 📅 1992 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 702 KB

ChemInform Abstract: Synthesis and Confo

ChemInform Abstract: Synthesis and Conformational Analysis of 2,6-Dimethyl-1,5-diaza-cis-decalins.

✍ Marisa C. Kozlowski; Zhenrong Xu; A. Gil Santos 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views

Conformational analysis of 2-cyano-1,1-d

Conformational analysis of 2-cyano-1,1-dihydroxyethane in solution

✍ Viktorya Aviyente; Tereza Varnali; Manuel F. Ruiz-López 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 536 KB

The conformational space of the 2-cyano-1,l-dihydroxyethane molecule was studied at the semi-empirical PM3 level and ab initio MP2/6-31G\*\*//6-31G level in the gas phase and in a low-polarity medium. This system has been chosen as a model compound for 2-cyanocyclohexanone propylene and ethylene ace

The conformation of (+)-muscarine in sol

The conformation of (+)-muscarine in solution

✍ Azeez M. Mubarak; Daniel M. Brown 📂 Article 📅 1982 🏛 Elsevier Science 🌐 French ⚖ 243 KB

The conformational equilibrium of [2.2]p

The conformational equilibrium of [2.2]paracyclophanes in solution

✍ Ernst, Ludger 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 506 KB

## Abstract A conformational equilibrium exists in solution between two skew forms (__s__^+^ and __s__^−^) of [2.2]paracyclophane (1a). The vicinal coupling constants in the ^1^H‐NMR spectra of the bridge protons in the six __ar__‐monosubstituted derivatives 1b–1g (RCN, NO, Br, CH~3~, CHO, and NO~