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inquiryphthalic anhydride
benzene-1,2-diol
3,3-bis-(3,4-dihydroxy-phenyl)-3H-isobenzofuran-1-one
Conditions | Yield |
---|---|
With zinc(II) chloride at 140 - 150℃; |
3,3-bis-(3,4-dihydroxy-phenyl)-3H-isobenzofuran-1-one
3,5-dibromo-4-hydroxysalicylic acid
(E)-3-Ureido-but-2-enoic acid ethyl ester
eosin y
Conditions | Yield |
---|---|
at 170℃; |
3,3-bis-(3,4-dihydroxy-phenyl)-3H-isobenzofuran-1-one
recorcinol
fluorescein
Conditions | Yield |
---|---|
at 210 - 220℃; |
3,3-bis-(3,4-dihydroxy-phenyl)-3H-isobenzofuran-1-one
diethylamine
2-(3,4,5,6-Tetrahydroxy-9H-fluoren-9-yl)-benzoic acid
Conditions | Yield |
---|---|
at 145 - 150℃; |
3,3-bis-(3,4-dihydroxy-phenyl)-3H-isobenzofuran-1-one
diethylamine
2-(3,6-Bis-ethylamino-4,5-dioxo-5,9-dihydro-4H-fluoren-9-yl)-N-ethyl-benzamide
Conditions | Yield |
---|---|
at 145 - 150℃; |
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