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From a 2,1‐Benzazaarsole to Elusive 1‐Arsanaphthalenes in One Step
Author(s) -
Kremláček Vít,
Erben Milan,
Jambor Roman,
Růžička Aleš,
Turek Jan,
Rychagova Elena,
Ketkov Sergey,
Dostál Libor
Publication year - 2019
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201900805
Subject(s) - computer science
The 2,1‐benzazaarsole ( 1 ) showed a diene‐like reactivity towards selected alkynes RC≡CR (R=CO 2 Me, C 5 F 4 N) thus forming 1‐arsa‐1,4‐dihydro‐iminonaphthalenes 2 a and 3 a as hardly isolable intermediates, that underwent facile CH→NH proton migration leading to before elusive substituted 1‐arsanaphthalenes 2 b and 3 b that could be completely structurally characterized.
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