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Synthesis of pyrrolo[2,1-f][1,2,4]triazin-4(3H)-ones: Rearrangement of pyrrolo[1,2-d][1,3,4]oxadiazines and regioselective intramolecular cyclization of 1,2-biscarbamoyl-substituted 1H-pyrroles.


ABSTRACT: Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-ones 12 have been easily prepared via nucleophile-induced rearrangement of pyrrolooxadiazines 11 and regioselective intramolecular cyclization of 1,2-biscarbamoyl-substituted 1H-pyrroles 10. In this work, we demonstrated that the described synthetic approaches can be considered to be more facile and practical than previously reported procedures.

SUBMITTER: Son K 

PROVIDER: S-EPMC5082444 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Synthesis of pyrrolo[2,1-<i>f</i>][1,2,4]triazin-4(3<i>H</i>)-ones: Rearrangement of pyrrolo[1,2-<i>d</i>][1,3,4]oxadiazines and regioselective intramolecular cyclization of 1,2-biscarbamoyl-substituted 1<i>H</i>-pyrroles.

Son Kkonnip K   Park Seong Jun SJ  

Beilstein journal of organic chemistry 20160809


Pyrrolo[2,1-<i>f</i>][1,2,4]triazin-4(3<i>H</i>)-ones <b>12</b> have been easily prepared via nucleophile-induced rearrangement of pyrrolooxadiazines <b>11</b> and regioselective intramolecular cyclization of 1,2-biscarbamoyl-substituted 1<i>H</i>-pyrroles <b>10</b>. In this work, we demonstrated that the described synthetic approaches can be considered to be more facile and practical than previously reported procedures. ...[more]

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