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- W2382147070 abstract "Acetyltropolone 1 reacted with 3,4,5 trimethoxybenzaldehyde,4 hydroxy 3,5 dimethoxyben zaldehyde,piperonal and cinnamadehyde to afford respectively 3 (3,4,5 trimethoxy)cinnamoyltropolone 2, 3 (4 hydroxy 3,5 dimethoxy)cinnamoyltropolone 3,3 (3,4 methylenedioxy)cinnamoyltropolone 4 and 3 (5 phenyl 2,4 pentadieneyl)tropolone 5. 2 acetyl 7 methylaminotropolone 6 reacted with 3,4,5 trimethoxybenzaldehyde,4 hydroxy 3,5 dimethoxybenzaldehyde and 4 hydroxy 3,4 dibromobenzalde hyde to give 2 styrylsubstituted 7 methylaminotropolones 7,8,9. Compounds 2,4 reacted with hydroxylamine to give 3 (3,4,5 trimethoxy)styryl 8H cyclohept[d]isoxazol 8 one 10 and 3 (3,4 methylenedioxy)styryl 8H cyclohept[d]isoxazol 8 one 11.The reactions of 2,4 with phenylhydrazine gave 1 phenyl 3 (3,4,5 trimethoxy)styryl 1,8 dihydrocycloheptapyrazol 8 one 12 and 1 phenyl 3 (3,4 methylenedioxy)styryl 1,8 dihydrocyclo heptapyrazol 8 one 13.Compound 1 reacted with 3,4,5 trimethoxybenzaldehyde in the presence of ethyl orthoformate and perchloric acid to afford 2 (3,4,5 trimethoxyphenyl) 4,9 dihydrocyclohepta [b]pyran 4,9 dione 14.The structures of compounds 2～5,7～14 were confirmed by spectral data and elemental analysis." @default.
- W2382147070 created "2016-06-24" @default.
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- W2382147070 date "2001-01-01" @default.
- W2382147070 modified "2023-09-25" @default.
- W2382147070 title "Study on Synthesis and Reactions of Acetyl substituted Troponoids With Aromatic Aldehyde" @default.
- W2382147070 hasPublicationYear "2001" @default.
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