## Abstract The ^13^C NMR spectra of phloropyron BB, desaspidin BB, albaspidin BB and margaspidin BB were recorded and the structures of the compounds investigated with the aid of chemical shifts and CH coupling constants. The filicinic acid ring of the first three compounds appeared to have a mono
✦ LIBER ✦
Conformational Analysis of Calixarene Derivatives Substituted at the Methylene Bridges
✍ Scribed by Samah Simaan; Silvio E. Biali
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 57 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Carbon-13 spectral analysis, tautomeric
✍
Pertti Äyräs; Simo Lötjönen; Carl-Johan Widén
📂
Article
📅
1981
🏛
John Wiley and Sons
🌐
English
⚖ 432 KB
Photocyclization of a Bichromophoric Phe
✍
M. Consuelo Jiménez; Miguel A. Miranda; Rosa Tormos; Salvador Gil
📂
Article
📅
2002
🏛
John Wiley and Sons
🌐
English
⚖ 228 KB
👁 2 views
Photolysis of (E)-and (Z)-2-(1-ethyl-3-phenylpropenyl)phenol (1 and 2) under a variety of conditions produces a mixture of dihydrobenzopyrans 3 and 4, dihydrobenzofuran 5, cyclopropanes 6 and 7, and rearranged olefin 8. Acidic treatment of 1 and 2 gives a mixture of the six-membered ring products 3
Essential Factors for Stabilization of t
✍
Mitsuo Sekine; Osamu Kurasawa; Koh-ichiroh Shohda; Kohji Seio; Takeshi Wada
📂
Article
📅
2001
🏛
John Wiley and Sons
🌐
English
⚖ 557 KB