𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Preparation of olefins from alcohols by thermal rearrangement of propargylic xanthates

✍ Scribed by Mélanie Fauré-Tromeur; Samir Z Zard


Book ID
104260612
Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
216 KB
Volume
40
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


Upon heating in toluene in the presence of a catalytic amount of collidinium trifluorosulfonate salt, various S-propargylic xanthates derived from secondary alcohols can be easily converted to their corresponding olefins in good yields.


📜 SIMILAR VOLUMES


ChemInform Abstract: Preparation of Olef
✍ Melanie Faure-Tromeur; Samir Z. Zard 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB

Preparation of Olefins from Alcohols by Thermal Rearrangement of Propargylic Xanthates. -Thermolysis of propargylic xanthates derived from secondary alcohols in the presence of catalytic amounts of collidinium triflate affords the corresponding olefins in good yields. When the xanthate is located a

Preparation of chiral propargylic alcoho
✍ Jiong Chun; Hoe-Sup Byun; Robert Bittman 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 143 KB

A series of chiral propargylic alcohols with high enantiomeric excess was prepared by asymmetric dihydroxylation of a,b-unsaturated esters, conversion of the diols to 4-(chloromethyl)-1,3-dioxolane intermediates, and base-induced elimination.