✦ LIBER ✦

Some reactions of triphenylphosphine dibromide with steroids and triterpenoids

✍ Scribed by Daniel Levy; Robert Stevenson

Publisher: Elsevier Science
Year: 1965
Tongue: French
Weight: 221 KB
Volume: 6
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)89957-8

No coin nor oath required. For personal study only.

✦ Synopsis

The formation of alkyl halides from alcohols and gem-dihalides from carbonyl compounds, by the act&n of triaryl-and trialkylphosphine NO.6

📜 SIMILAR VOLUMES

Reaction of some trisubstituted steroid

Reaction of some trisubstituted steroid epoxides with triphenylphosphine - iodine complex. Deoxygenation of epoxides

✍ Zdzisław Paryzek; Roman Wydra 📂 Article 📅 1984 🏛 Elsevier Science 🌐 French ⚖ 239 KB

Triphenylphosphine -iodine complex was found to be an effective reagent for deoxygenation of trisubstituted steroidal epoxides. The mechanism of the reaction is proposed.

Triterpenoids and steroids of some speci

Triterpenoids and steroids of some species of the order Ericales

✍ G. A. Fokina; N. E. Zaitseva; N. E. Fokina 📂 Article 📅 1988 🏛 Springer 🌐 English ⚖ 147 KB

Reactions of some organic peroxides with

Reactions of some organic peroxides with triphenylphosphine and sodium dialkyl phosphites

✍ Jarvie, A. W. P. ;Moore, C. G. ;Skelton, D. 📂 Article 📅 1971 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 538 KB

Selective reactions of some steroids wit

Selective reactions of some steroids with diethyl dicarbonate. Selektive Reaktionen einiger Steroide mit Pyrokohlensäurediaethylester.

✍ I. Weisz; P. Agócs 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 101 KB

NMR-studies of carcinogen reactions with

NMR-studies of carcinogen reactions with DNA: Ethylene dibromide and aflatoxin B1

✍ Thomas M. Harris 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 849 KB

Two examples are described of the use of NMR spectroscopy to study the modification of DNA structure by carcinogens. The reaction of ethylene dibromide involves initial conjugation with glutathione, catalysed by glutathione S-transferase. Reaction of this adduct with DNA occurs at N7 of guanine. Thr

Photoisomerization of Norbornadiene with

Photoisomerization of Norbornadiene with some Cu(I)-triphenylphosphine and —triphenylarsine complexes

✍ S. Sakaki; K. Ohkubo; H. Fujiwara; A. Ohyoshi 📂 Article 📅 1982 🏛 Elsevier Science ⚖ 362 KB