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Abstract

Direct synthesis of γ-substituted phthalids from related ortho-aryl benzoic acids with 48–85% yield are covered. The direct oxidation in the presence of peroxydisulphate-copper (II) chloride in aqueous medium was applied. The reaction is highly regioselective and leads exclusively to γ-butyrolactone, through very stable benzylic radical intermediate.

Featured Compounds

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Compound Information
Molecular Weight:224.2546
Molecular Formula:C15H12O2
InChIKey:FCWFNXMQIVEVLU-UHFFFAOYSA-N
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Compound Information
Molecular Weight:240.254
Molecular Formula:C15H12O3
InChIKey:NOAMEKHNBPDNLP-UHFFFAOYSA-N
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Compound Information
Molecular Weight:260.2867
Molecular Formula:C18H12O2
InChIKey:HSRKFGNBWKOZQH-UHFFFAOYSA-N
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Compound Information
Molecular Weight:136.1479
Molecular Formula:C8H8O2
InChIKey:ZWLPBLYKEWSWPD-UHFFFAOYSA-N
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Compound Information
Molecular Weight:134.132
Molecular Formula:C8H6O2
InChIKey:WNZQDUSMALZDQF-UHFFFAOYSA-N
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Compound Information
Molecular Weight:226.2274
Molecular Formula:C14H10O3
InChIKey:FGTYTUFKXYPTML-UHFFFAOYSA-N
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Compound Information
Molecular Weight:240.254
Molecular Formula:C15H12O3
InChIKey:ICQOWIXIHDDXDI-UHFFFAOYSA-N
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Compound Information
Molecular Weight:256.2534
Molecular Formula:C15H12O4
InChIKey:UIUCGMLLTRXRBF-UHFFFAOYSA-N
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Compound Information
Molecular Weight:276.2861
Molecular Formula:C18H12O3
InChIKey:OXCYAVHGYGKEJY-UHFFFAOYSA-N
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Compound Information
Molecular Weight:212.2439
Molecular Formula:C14H12O2
InChIKey:FESDHLLVLYZNFY-UHFFFAOYSA-N
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Compound Information
Molecular Weight:226.2705
Molecular Formula:C15H14O2
InChIKey:FVHMOFPRPCTXCM-UHFFFAOYSA-N
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Compound Information
Molecular Weight:242.2699
Molecular Formula:C15H14O3
InChIKey:JRGIOJQESXVHDO-UHFFFAOYSA-N
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Compound Information
Molecular Weight:262.3026
Molecular Formula:C18H14O2
InChIKey:MVMGFRNEEUFWOM-UHFFFAOYSA-N
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Compound Information
Molecular Weight:210.228
Molecular Formula:C14H10O2
InChIKey:SQFMIHCARVMICF-UHFFFAOYSA-N
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