Palladium‐Acid Co‐Catalyzed Cleavage of Alkynoates to Construct Dibenzo[c,h]xanthene Derivatives | Zendy

Tang BoCheng | Zendy; Wang Miao | Zendy; Ma JinTian | Zendy; Wang ZiXuan | Zendy; Wu YanDong | Zendy; Wu AnXin | Zendy

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Palladium‐Acid Co‐Catalyzed Cleavage of Alkynoates to Construct Dibenzo[c,h]xanthene Derivatives

Author(s) -

Tang BoCheng,

Wang Miao,

Ma JinTian,

Wang ZiXuan,

Wu YanDong,

Wu AnXin

Publication year - 2018

Publication title -

advanced synthesis and catalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.541

H-Index - 155

eISSN - 1615-4169

pISSN - 1615-4150

DOI - 10.1002/adsc.201800770

Subject(s) - xanthene , chemistry , triflic acid , palladium , catalysis , protonation , medicinal chemistry , cleavage (geology) , organic chemistry , ion , geotechnical engineering , engineering , fracture (geology)

A novel palladium‐acid co‐catalyzed C( sp )−C( sp 2 ) cleavage of alkynoates for the construction of dibenzo[c,h]xanthene derivatives is reported. A catalytic amount of triflic acid (TfOH) afforded an efficient transformation into the final product. Furthermore, a reduction process of alkynoates was observed during the formation of dibenzo[c,h]xanthene, preliminary mechanistic studies indicated that the protonation of the new‐formed methyl group in dibenzo[c,h]xanthene mainly came from water.

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