Catalytic [4+n]-cycloaddition using furan-fused cyclobutanone as a privileged C4 synthon
Xinfang Xu,
Kemiao Hong,
Mengting Liu
et al.
Abstract:Cycloaddition reactions play a pivotal role in synthetic chemistry for the direct assembly of cyclic architectures. However, substantial hurdles remain for extending the C4 synthon, which is mainly limited to dienes and 1,4-dipoles so far, to construct diverse heterocycles via programmable [4 + n]-cycloaddition. Here we report an atom-economic and modular intermolecular cycloaddition using furan-fused cyclobutanones (FCBs) as a novel and versatile C4 synthon. In contrast to the well-documented intramolecular c… Show more
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