Transition metal-free tunable synthesis of 3-(trifluoromethylthio) and 3-trifluoromethylsulfinyl chromones via domino C H functionalization and chromone annulation of enaminones

Zhou, Tao; Zhou, Jing; Liu, Yunyun; Wan, Jie-Ping; Chen, Fen-Er

doi:10.1016/j.cclet.2024.109683

Chinese Chemical Letters

2024

DOI: 10.1016/j.cclet.2024.109683

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Transition metal-free tunable synthesis of 3-(trifluoromethylthio) and 3-trifluoromethylsulfinyl chromones via domino C H functionalization and chromone annulation of enaminones

Tao Zhou,

Jing Zhou,

Yunyun Liu

et al.

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2024

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Cited by 2 publications

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Synthesis of Chromone‐3‐phosphonates via Arbuzov‐Type C−P Cross Coupling from o‐Hydroxyphenyl Enaminones and Phosphites

Cao,

Wan,

Liu

2024

Adv Synth Catal

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With an in situ C‐H iodination tactic, an applicable method for the synthesis of chromone‐3‐phosphonates has been developed with trialkyl/triaryl phosphites as the reaction partners of o‐hydroxyphenyl enaminones by palladium catalysis. The product formation consists of cascade C‐H iodination, chromone annulation, and Arbuzov‐type C‐P cross coupling as major transformations. In addition to providing an enaminone‐based synthetic method to chromone‐3‐phosphonates, the work is of advantage for the step economy by skipping the separate operation for preparing iodo‐functionalized chromone intermediate.

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Synthesis of Chromone‐3‐phosphonates via Arbuzov‐Type C−P Cross Coupling from o‐Hydroxyphenyl Enaminones and Phosphites

Cao,

Wan,

Liu

2024

Adv Synth Catal

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Spectroscopic elucidation, quantum chemical computations (FMO, HOMO–LUMO, MEP, NLO), and biological activity on some novel heterocyclic compounds using 3-substituted-6,8-dimethylchromones

Mostafa,

Ibrahim,

Badran

2024

Synthetic Communications

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Transition metal-free tunable synthesis of 3-(trifluoromethylthio) and 3-trifluoromethylsulfinyl chromones via domino C H functionalization and chromone annulation of enaminones

Cited by 2 publications

References 64 publications

Synthesis of Chromone‐3‐phosphonates via Arbuzov‐Type C−P Cross Coupling from o‐Hydroxyphenyl Enaminones and Phosphites

Synthesis of Chromone‐3‐phosphonates via Arbuzov‐Type C−P Cross Coupling from o‐Hydroxyphenyl Enaminones and Phosphites

Spectroscopic elucidation, quantum chemical computations (FMO, HOMO–LUMO, MEP, NLO), and biological activity on some novel heterocyclic compounds using 3-substituted-6,8-dimethylchromones

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