𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Guyanin, a novel tetranortriterpenoid. Structure elucidation by 2-D N.M.R. spectroscopy

✍ Scribed by Helen Jacobs; Frank Ramdayal; William F. Reynolds; Stewart McLean


Book ID
104218366
Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
200 KB
Volume
27
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


The structure of guyanin, a new type of tetranortriterpenoid isolated from Hortia regia, has been determined by nmr spectroscopy. Indirect shift correlation experiments were crucial for this determination. Hortia regia Vand. (Rutaceae), collected in Guyana, has afforded a new sub-


📜 SIMILAR VOLUMES


Elucidation of the structure and conform
✍ Antonio De Marco; Pierluigi Gariboldi; Henriette Molinari; Luisella Verotta 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 682 KB

The structure of the methylated derivative (1) of the tetrasaccharide-alditol-O-beta-L-rhamnopyranosyl-(1----3)-O-beta-D- xylopyranosyl-(1----4)-O-beta-L-rhamnopyranosyl-(1----2)-1,5-di-O-acetyl -L- arabinitol has been determined solely on the basis of n.m.r. data.

Structure elucidation of a novel group o
✍ Qin Li; Chunhui Yang; Ze-Mei Ge; Runtao Li; Yuxin Cui 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 97 KB

## Abstract Compounds 1–7 form a novel group of dithiocarbamates, first synthesized from the reaction of a series of primary amines with carbon disulfide and 3‐bromo ethyl pyruvate in the presence of anhydrous potassium phosphate. Structure elucidation of this group of compounds was accomplished us

The structure of 1,2-dithioles studied b
✍ Erik G. Frandsen; Jens P. Jacobsen 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 331 KB

## Abstract The charge separation between the dithiole ring and oxygen in 3‐(1′,2′‐dithiole‐3′‐ylidene)‐6‐methyl‐2,3‐dihydropyran‐2,4‐diones and 3‐(1′,2′‐dithiole‐3′‐ylidene)‐2,3‐dihydrobenzo[__b__] pyran‐2,4‐diones has been determined by ^13^C and ^19^F n.m.r. spectroscopy. By both methods it is f