Stereochemistry of Pteriatoxins A, B, and C
β Scribed by Hao, Junliang; Matsuura, Fumiyoshi; Kishi, Yoshito; Kita, Masaki; Uemura, Daisuke; Asai, Naoki; Iwashita, Takashi
- Book ID
- 126324111
- Publisher
- American Chemical Society
- Year
- 2006
- Tongue
- English
- Weight
- 133 KB
- Volume
- 128
- Category
- Article
- ISSN
- 0002-7863
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
Absolute stereochemistry at C-15 in penaresidins A (1) and B (2) was established to be S on the basis of I H NMR data of the tri-O-MTPA esters, indicating that the absolute configurations of 1 and 2 are 2S, 3R, 4S, 15S (1 and 2), and 16S (1).
A trans B/C ring junction has been found to exist in 3-benzylidinebenzo[alquinolizidines. 'H NMR analysis of partially deuteriated compounds showed that the signals at 4.0-4.2 ppm should be assigned to the H-Cexo proton. KEY WORDS 3-Benzylidenebenzo[a]quinolizidines stereochemistry 'H NMR B/C ring j