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Addition initiated ring closure substituted spiro[4,2]Hepta-1,3-dienes via fulvene intermediates

โœ Scribed by Kazimierz Antczak; John F. Kingston; Alex G. Fallis


Publisher
Elsevier Science
Year
1984
Tongue
French
Weight
217 KB
Volume
25
Category
Article
ISSN
0040-4039

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ChemInform Abstract: Ring Closure of 4-S
โœ Yoshimi Yamaguchi; Kaname Takagi; Yoshihisa Okamoto; Kazuho Harada; Yoshihisa Ku ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 30 KB ๐Ÿ‘ 2 views

ring closure reactions ring closure reactions O 0130 ## 45 -062 Ring Closure of 4-Substituted 1-Amino-1-(2-aminoanilino)-2,4dicyanobuta-1,3-diene via 5-exo-trig and 6-exo-dig Process. -The formation of benzimidazoles (II) by heating of butadienes (I) in AcOH or aq. HCl is the result of a 5-exo-tr