Dianions of Tetraboranes(4): Puckered Aromatic Four‐Membered Rings and Their Reactions with Conservation of Aromaticity | Zendy

Mesbah Wahid | Zendy; Präsang Carsten | Zendy; Hofmann Matthias | Zendy; Geiseler Gertraud | Zendy; Massa Werner | Zendy; Berndt Armin | Zendy

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Dianions of Tetraboranes(4): Puckered Aromatic Four‐Membered Rings and Their Reactions with Conservation of Aromaticity

Author(s) -

Mesbah Wahid,

Präsang Carsten,

Hofmann Matthias,

Geiseler Gertraud,

Massa Werner,

Berndt Armin

Publication year - 2003

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200250700

Subject(s) - aromaticity , chemistry , electrophile , ring (chemistry) , boron , computational chemistry , organic chemistry , molecule , catalysis

Aromatic with boron : Two‐electron heteroaromatic compounds 1 and 2 undergo oxidations and reactions with electrophiles (reducing the number of framework electrons by two and four, respectively) under conservation of aromaticity. In contrast, corresponding reactions of the known dianion 3 , a six‐electron aromatic four‐membered ring, lead to loss of aromaticity (R=SiMe 3 ).

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