The reaction of the racemic trans-5-palladatricyclo[4.1.0.0 2,4 ]heptanes with hydrogen or NaBH 4 led to (1R\*,2R\*,1'R\*,2'R\*)-bi(cyclopropyl) compounds in a highly stereoselective reaction. Reactions with halogens, dibenzoyl peroxide, or cerium(iv) ammonium nitrate (CAN) afforded (3Z)-1,3,5hexatr
Formation of 3,4-Diaza-1,3,5-hexatrienes from Alkenylamines and Diazoalkanes
✍ Scribed by Prof. U. Schöllkopf; Dr. E. Wiskott; Dipl.-Chem. K. Riedel
- Publisher
- John Wiley and Sons
- Year
- 1968
- Tongue
- English
- Weight
- 132 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0044-8249
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The KrF and SF,-sensitized CO2 laser-induced photodissociation of 1,3-cyclohexadiene produce the same major products -cisand trans-1,3$hexatriene (HT), benzene and H,, with relative yields strongly dependent on the source of excitation and the substrate pressure. From the time evolution of the nasce
## Abstract A theoretical and NMR‐spectroscopic conformational analysis is presented of the 3‐methyl‐1,3,5‐hexatrienes and of (__Z__)‐3‐__tert__‐butyl‐1,3,5‐hexatriene. It is shown that (__E__)‐3‐methyl‐1,3,5‐hexatriene exists mainly as the __tEt__ rotamer and (__Z__)‐3‐methyl‐1,3,5‐hexatriene as t