We describe a simple and efficient protocol for accessing some unsaturated heterocyclic compounds in a direct evaluation of allyl bromide as Z-ethyl 3-bromomethyl-4-oxopent-2-enoate. The latter reacts with primary amines via two successive nucleophilic substitutions followed by a 5-exo-trig cyclization to produce selectively 4-acetyl-1-alkyl-1H-pyrrol-2(5H)-ones in good yields.
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
IKUTA, H
SHIROTA, H
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
SHIROTA, H
KOBAYASHI, S
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
KOBAYASHI, S
YAMAGISHI, Y
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
YAMAGISHI, Y
YAMADA, K
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
YAMADA, K
YAMATSU, I
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
YAMATSU, I
KATAYAMA, K
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
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IKUTA, H
SHIROTA, H
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
SHIROTA, H
KOBAYASHI, S
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
KOBAYASHI, S
YAMAGISHI, Y
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
YAMAGISHI, Y
YAMADA, K
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
YAMADA, K
YAMATSU, I
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN
YAMATSU, I
KATAYAMA, K
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EISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPANEISAI CO LTD,EISAI RES LABS,INFLAMMAT RES UNIT,TOKODAI 5,TSUKUBA,IBARAKI 30026,JAPAN