𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A low energy barrier for rotation around carbon—carbon double bond

✍ Scribed by Youval Shvo; K.C. Taylor; Juan Bartulin


Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
297 KB
Volume
8
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Steric acceleration of rotation around c
✍ Youval Shvo 📂 Article 📅 1968 🏛 Elsevier Science 🌐 French ⚖ 203 KB

## Chemical analysis and spectml properties of all compounds listed in Table I are consistant with. their structure. Purity was checked by vpc.

The barrier to internal rotation around
✍ Gunilla Isaksson; Jan Sandström; Ingegerd Wennerbeck 📂 Article 📅 1967 🏛 Elsevier Science 🌐 French ⚖ 170 KB

Unusually low barriers to rotation around carbon-carbon double bonds have recently been reported by two groups (1,Z). The publication by Gompper and Schaefer (3) of the preparation of some nitroketene mercaptale and related compounds prompts us to give a preliminary report on the observation of low

Rotational energy barrier of the polariz
✍ Issa Yavari; Afsaneh Zonouzi; Rahim Hekmat-Shoar 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 132 KB

A dynamic NMR effect is observed in the t H NMR. spectra of the title compound in the vicinity of 186 °C, and is attributed to restricted rotation around the polarized carbon-carbon double bond. The free energy of activation (A G\* ) for this process is 105 \_+ 2 k J mol "1 in nitrobenzene as a solv