Brønsted acid-catalysed desilylative heterocyclisation to form substituted furans.
Brønsted acid-catalysed desilylative heterocyclisation to form substituted furans.
复制标题
布朗斯台德酸催化脱甲硅烷基杂环化形成取代的呋喃。
DOI:
10.1039/d2ob01828d
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发表时间:
2022
影响因子:
3.2
通讯作者:
Babcock EG
中科院分区:
文献类型:
--
作者:
Babcock EG
Heterocyclisation of tert-butyldimethylsilyl (TBS) protected γ-hydroxy-α,β-unsaturated ketones catalysed by para-toluenesulfonic acid (p-TSA) to form substituted furans is reported. The reaction proceeds under mild conditions at room temperature in methanol to give a range of furan products (21 examples, up to 98% yield). Mechanistic experiments suggest the reaction proceeds via in situ deprotection followed by catalytic dehydrative heterocyclisation.
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