𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Charge-transfer complex formation and photo-induced electron-transfer reaction of dibenzo-7-silabicyclo[2.2.1]hepta-2,5-dienes

✍ Scribed by Masahiro Kako; Masahiro Mori; Kaname Hatakenaka; Seiji Kakuma; Yasuhiro Nakadaira; Masanori Yasui; Fujiko Iwasaki

Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
520 KB
Volume
53
Category
Article
ISSN
0040-4020

No coin nor oath required. For personal study only.

✦ Synopsis

2.1]hepta-2,5-dienes (la, lb) are excellent electron donors because of effective G-Tr conjugation between the orbitals of C-C lr bonds and Si-C ~ bonds. Some of their donor properties are demonstrated by the reactions with some electron acceptors.

When la and lb are mixed with tetracyanoethylene, facile formation of charge-transfer complexes was observed.

In the 2,4,6-triphenylpyrylium tetrafluoroborate-sensifized photoreaction of lb, the corresponding ditluorosilane and anthracene were obtained in good yields.

The structural and electronic features of radical cation l a +" were provided by semiemperical molecular orbital calculation.

In addition, the structure of l a in crystals was determined by X-ray crystallography and compared with that obtained by the calculation.

πŸ“œ SIMILAR VOLUMES

Solid-State Structural Study of the Char
Solid-State Structural Study of the Charge-Transfer Complexes of 5,7,9-Trimethyl- and 2,11,20-Trithia[33](1,3,5)cyclophanes
✍ Mikio Yasutake; Koji Araki; Ming Zhou; Rika Nogita; Teruo Shinmyozu πŸ“‚ Article πŸ“… 2003 πŸ› John Wiley and Sons 🌐 English βš– 277 KB πŸ‘ 1 views

## Abstract 5,7,9‐Trimethyl[3~3~](1,3,5)cyclophane (1), with two binding sites of different donating ability, adopts a __C__~3~ conformation both in the solid state (βˆ’170 Β°C) and in CD~2~Cl~2~ solution at βˆ’90 Β°C. 5,7,9‐Trimethyl[3~3~](1,3,5)cyclophane‐2,11,20‐trione (9) has the same __C__~3~ symmet