Synthesis and unexpectedly facile dimerisation of 1-methoxycarbonylpyrrolizin-3-one

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出版日

DOI 10.1039/CC9960001083

インパクトファクター 6.222

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要旨

Flash vacuum pyrolysis of the diethyl esters 2 gives 2-ethynylpyrrole via the anhydride 7; the corresponding dimethyl esters 3 give, under similar conditions, the pyrrolizinone 5, which is remarkably unstable and spontaneously dimerises to give the [2 + 2] cycloadducts 8 and 9 whose structures are proved by X-ray crystallography.

掲載誌

Chemical Communications

CiteScore: 8.6

自己引用率: 4.7%

年間論文数: 2458

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Synthesis and unexpectedly facile dimerisation of 1-methoxycarbonylpyrrolizin-3-one

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Radical polymerization in the presence of a peroxide monomer: an approach to branched vinyl polymers

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