## Abstract Trimerization of butadiene in the presence of Ni(0) affords (1__E__,5__E__,9__E__)‐cyclododeca‐1,5,9‐triene **1** (__ttt__‐CDT), (1__E__,5__E__,9__Z__)‐cyclododeca‐1,5,9‐triene **2** (__ttc__‐CDT), and other isomers/oligomers. After optimization of reaction conditions, [^14^C~6~‐3,4,7,8
Synthesis of [5-14C]-1,1,12,12-tetraethoxy-4,9-diazadodecane dinitrate
✍ Scribed by Vijayalakshmi V. Somayaji; Tse W. Hall; Leonard I. Wiebe; Edward E. Knaus; James P. Demers
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- French
- Weight
- 269 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0022-2135
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## Abstract The synthesis of 3‐[ 2′,4′,5′‐triethoxybenzoyl‐(carbonyl‐^14^C)]‐propionic acid (VII) is described. Chloroacetonitrile‐^14^C (IV) was prepared from chloroacetic‐1‐^14^C acid (I) according to the well‐known procedure. IV was reacted with 1,2,4‐triethoxybenzene in the presence of ZnCl~2~
## Abstract A small‐scale synthesis of 1,5,9‐cyclododecatriene‐x‐^14^C~6~ is described. 1,3‐Butadiene‐1,4‐^14^C~2~, specific activity of 1.15 mCi/mmole, was prepared via the thermal decomposition of tetramethylene‐1,4‐^14^C~2~‐bis‐(trimethylammonium hydroxide) and immediately converted to a mixture