The acid-catalyzed cyclization of a pseudogeminally substituted acetyl group and a chloromethyl group of tri-bridged cyclophane 7 , followed by reduction of the carbonyl group afforded (3,](1,2,3,5)cyclophane 3. One-step TosMIC coupling reaction of tetrabromide 12 and subsequent reduction of the car
✦ LIBER ✦
Synthesis of dithia[3.3]biphenyleno(2,2′)(1,2)-, (1,3)-, (1,4)cyclophanes and their atropisomerism and dynamic stereochemistry
✍ Scribed by Yee-Hing Lai; Siew-Ying Wong; Darryl Hsieh-Yao Chang
- Book ID
- 104203850
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- French
- Weight
- 513 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0040-4020
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Multibridged [3n]Cyclophanes, 1. Synthes
✍
Shinmyozu, Teruo ;Kusumoto, Shirou ;Nomura, Sachiyo ;Kawase, Haruo ;Inazu, Takah
📂
Article
📅
1993
🏛
Wiley (John Wiley & Sons)
🌐
English
⚖ 453 KB
👁 2 views
Cyclophane, XXIX. Gasphasenpyrolyse von
✍
Bodwell, Graham ;Ernst, Ludger ;Hopf, Henning
📂
Article
📅
1989
🏛
Wiley (John Wiley & Sons)
🌐
English
⚖ 347 KB
Restriction of the Inversion Process of
✍
Yee-Hing Lai; Siau-Gek Ang; Siew-Ying Wong
📂
Article
📅
1997
🏛
Elsevier Science
🌐
French
⚖ 545 KB
Thetitle compound 3 wasprepared via a cyclization reactionbetween twoknown precursors.It is confmnedthat the inversion process of the 1,3-bridged ring in the 2,17dithia[3.3](2,2') biphenyleno(l ,3)cyclophane systemwasrestricted with a conforrnational enemy barrier of >64kJmol-'. Theadopted rigidconf
Synthesis and stereochemistry of 1-acyl-
✍
M. Kratzel; R. Hiessböck; H. Völlenkle
📂
Article
📅
1994
🏛
Springer Vienna
🌐
English
⚖ 404 KB
Synthesis and physical properties of [2]
✍
Yoshimasa Fukazawa; Muneo Aoyagi; Shô Itô
📂
Article
📅
1978
🏛
Elsevier Science
🌐
French
⚖ 248 KB
Stereochemistry and Conformational Anoma
✍
Columbus, Ishay; Hoffman, Roy E.; Biali, Silvio E.
📂
Article
📅
1996
🏛
American Chemical Society
🌐
English
⚖ 249 KB