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Meng et al., 2017 - Google Patents

Synthesis of a type of bridged heterocycles via tetraynes

Meng et al., 2017

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Document ID
15965922023335053681
Author
Meng X
Cheng D
Lv S
Ma J
Hu Y
Publication year
Publication venue
Heterocycles

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A simple method has been developed for the synthesis of a type of bridged heterocycles using tetraynes. The strategy uses 1, 3-diphenylisobenzofuran or 2, 5-diphenylfuran and tetraynes as substrates and reactions proceed through an HDDA–[4+ 2] adduct. Products …
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    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
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    • C07D405/02Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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