Et2MeN·HI‐Catalyzed Reaction of Arylboronic Acids with 2‐Acyl‐2,3‐dihydro‐4H‐pyrans Leading to 2‐Aryltetrahydrocyclopenta[1,3,2]dioxaboroles.
Et2MeN·HI‐Catalyzed Reaction of Arylboronic Acids with 2‐Acyl‐2,3‐dihydro‐4H‐pyrans Leading to 2‐Aryltetrahydrocyclopenta[1,3,2]dioxaboroles.
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Et2MeN·HI 催化芳基硼酸与 2-酰基-2,3-二氢-4H-吡喃反应生成 2-芳基四氢环戊[1,3,2]二氧硼杂硼。
DOI：
10.1002/chin.201138172
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发表时间：
2011
期刊：
影响因子：
--
通讯作者：
I. Ryu
中科院分区：
文献类型：
--
作者：
T. Fukuyama;T. Okamura;I. Ryu
新的环收缩包括开环，得到中间的2-羟基-1,6-二酮，如（IV），可以在没有硼酸的情况下分离。
The novel ring contraction involves ring-opening to give intermediate 2-hydroxy-1,6-diketones such as (IV) which can be isolated in the absence of boronic acid.