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Reaction of 2,3-diphenyl-5,6-dihydropyrazine and malononitrile to give 2,6-diamino-3,5-dicyano-4,10-diphenyl-1,7-diazatricyclo[5.2.1.04,10]deca-2,5-diene. A novel synthesis of a substituted diazadihydrotriquinacene

โœ Scribed by Beak, Peter.; Brown, Roger A.; Yamamoto, Jiro.; Chiang, Chian C.; Paul, Iain C.


Book ID
126087136
Publisher
American Chemical Society
Year
1976
Tongue
English
Weight
457 KB
Volume
41
Category
Article
ISSN
0022-3263

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Reactions of 1,3,5-Tri-tert-butylcyclope
โœ Dehmlow, Eckehard V. ;Bollmann, Christof ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 332 KB

Title compound 1 is sterically shielded to such an extent that many "normal" reactions cannot occur. It is possible, however, to prepare the carboxylic acid 2, its acyl chloride 3 and the oxidation product 4. Furthermore, halogen substitutions to yield 5 and 6 and trialkylstannations to give 8a, b c