𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Disperse dyes derived from 3-oxo-2,3-dihydrobenzo-[itb]thiophene-1,1-dioxide and 3-dicyanomethylene-2,3-dihydrobenzo [itb] thiophene-1,1-dioxide

✍ Scribed by V.U. Shenoy; V.P. Patel; S. Seshadri


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
468 KB
Volume
11
Category
Article
ISSN
0143-7208

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Reaktivität von 2,3-Dihydrobenzo[b]thiop
✍ Ried, Walter ;Oremek, Gerhard 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 222 KB

## Abstract Die Benzo[__b__]thiophen‐1, 1‐dioxide **2a**‐**d** und **3a** ‐ **c** setzen sich in der Hitze mit Methanol zu 2, 3‐Dihydrobenzol[__b__]thiophen‐3‐on‐1,1‐dioxid (**1**) um. Dieses reagiert mit Aminen, Hydrazinen oder Triphenylphosphoranen zu den Kondensationsprodukten **4**, **7** und *

The Enantioselective Synthesis of (+)-Es
✍ Wolfgang Oppolzer; David Anthony Roberts 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 176 KB 👁 1 views

## Abstract The optically pure steroid (+)‐**15** has been synthesized from the easily accessible (+)‐carboxylic acid **11** by a sequence of 7 steps in 50% overall yield. The key steps are the regioselective deprotonation/alkylation **7+13 → 14** and the thermal SO~2~‐extrusion/cycloaddition **14