𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Some technological features of using heterogeneous catalysis in the synthesis of α-tocopherol

✍ Scribed by É. Yu. Bulychev; A. A. Shchegolev

Publisher
Springer
Year
1999
Tongue
English
Weight
285 KB
Volume
33
Category
Article
ISSN
0091-150X

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The synthesis of d,l-α-tocopherol in sup
The synthesis of d,l-α-tocopherol in supercritical media
✍ Shaoning Wang; Werner Bonrath; Horst Pauling; Frank Kienzle 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 214 KB

The synthesis of D,L-a-tocopherol in supercritical carbon dioxide or nitrous oxide by condensation of trimethylhydroquinone (TMHQ) with isophytol (IP) in the presence of various Bro ¨nsted or Lewis acids, especially an imide or its metal salts, as catalysts is described. The product is obtained in h

Thiourea catalysis of NCS in the synthes
Thiourea catalysis of NCS in the synthesis of α-chloroketones
✍ Yujiang Mei; Paul A. Bentley; Juan Du 📂 Article 📅 2008 🏛 Elsevier Science 🌐 French ⚖ 117 KB

Thiourea catalyzes NCS a-chlorination of alkyl ketones to provide a-chloroketones in very high yields at exceptionally rapid reaction speeds.