𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Photochemical and thermal (2+2) addition of thiones to hetero-substituted acetylenes. Rearrangement of intermediate thietes to α,β-unsaturated dithioesters and thioamides

✍ Scribed by A.C. Brouwer; H.J.T. Bos


Publisher
Elsevier Science
Year
1976
Tongue
French
Weight
131 KB
Volume
17
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Hetero-Diels-Alder cycloadditions of α,β
✍ Jin-Cong Zhuo; Hugo Wyler 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 German ⚖ 991 KB

## Abstract The [4 + 2] cycloadditions of 2‐oxobut‐3‐enenitrile (1a), 2‐oxopent‐3‐enenitrile (1b), and ethyl 4‐cyano‐4‐oxobut‐2‐enoate (1c) with 1,3‐dimethyluracil (2), 1,3, 6‐trimethyluracil (9), or 1,3,5‐trimethyluracil (16) were investigated. The reactions of 1a with 2 or with 9 lead to bicyclic

Hetero-Diels-Alder Additions of α,β-Unsa
✍ Jin-Cong Zhuo; Hugo Wyler; Kurt Schenk 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 German ⚖ 930 KB

## Abstract Cycloadditions of the α,β‐unsaturated‐acyl cyanides 1–3 with (__Z__)‐or (__E__)‐1‐bromo‐2‐ethoxyethene (4) may be performed at moderate temperatures and provide in good yields the 3‐bromo‐2‐ethoxy‐3,4‐dihydro‐2__H__‐pyran‐6‐carbonitriles 5–7, respectively (__Scheme 1__). Diastereoisomer