## Abstract magnified image 5,6βDinitro and 5,6βdiaminobenzimidazoloneβ2 can be synthesized at a sufficiently high purity and yield to permit its large scale production in an economically feasible manner. The results of our studies derived optimum conditions for the nitration process necessary to
Synthesis of 2,5- and 2,6-dialkylpyrazines: Short communication
β Scribed by H. G. Peer; A. van der Heijden
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 107 KB
- Volume
- 88
- Category
- Article
- ISSN
- 0165-0513
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## Abstract A short synthesis of the title compound **13** is reported. The acetal group in **13** enables one to control the regioβ and stereoselectivity of the two successive __Diels__β__Alder__ additions of the tetraene. The first addition is significantly faster than the second one, thus making