✦ LIBER ✦

The occurrence and identification of C30-C32 lanostanes: A novel series of tetracyclic triterpenoid hydrocarbons

✍ Scribed by J.H. Chen; R.P. Philp; J.M. Fu; G.Y. Sheng

Book ID: 118885993
Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 439 KB
Volume: 53
Category: Article
ISSN: 0016-7037
DOI: 10.1016/0016-7037(89)90148-8

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The occurrence and identification of C30

The occurrence and identification of C30, C31 and C32 alkan-1, 15-diols and alkan-15-one-1-ols in Unit I and Unit II Black Sea sediments

✍ J.W. de Leeuw; W. Irene; C. Rijpstra; P.A. Schenck 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 439 KB

Carbon-13 NMR studies in the polycyclic

Carbon-13 NMR studies in the polycyclic hydrocarbon series. A new method for the identification of carbons α to a carbonyl group. Complete assignment of the 13C NMR spectra of several cis-decalins, cis-decalones, cis-hydrindanones and 13α,14α- and 13β,14β-steroids

✍ J. C. Gramain; J. C. Quirion 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 711 KB

A new 13C N M R method based on solvent effects allows the identification of carbon atoms a to a carbonyl group. With a simple change in solvent from CDCl, to CDC1,-dioxane (1:4), the -C absorption for all carbons except those a to the carbonyl group in the compounds under study were displaced to lo