Cyclohepta pyrrol-8-ones

Recently, cyclohepta[6]pyrrol-4-one derivatives were obtained as byproducts in the 1-azaazulene synthesis from 2-chlorotropone and 1-(diphenylphosphinyl)azaallyl anions [93H(36)2247],... 

Use of a ring-expansion reaction for the synthesis of l,5-methano-4-benzazonin-12-ones and derivatives of benzo[3,4]cyclohepta[1.2-6]pyrrole., 7. Chem. Res. (M), 2024. 1989. 

Cycioaddition of cyclohepta[6]pyrrole to DMAD in boiling benzene gives a product which contains two molecules of DMAD and a minor product which contains one DMAD molecule. CycIohept[[Pg.695]

C02Me, etc.) have been prepared by bis-condensations between the appropriate pyrrole bis-aldehyde and substituted acetone l,3-dimethyl-2/f-cyclohepta[c]pyrrol-6-one (148 R = H, R = R = Me, X = H) was then converted into 6-ethoxy-l,3-dimethyl-2-aza-azulene, ... 

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