p ‐Phenylenediboranes: Mirror Images of  p ‐Phenylenediamines? | Zendy

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p ‐Phenylenediboranes: Mirror Images of p ‐Phenylenediamines?

Author(s) -

Kaim Wolfgang,

Schulz Andreas

Publication year - 1984

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198406151

Subject(s) - substituent , nitro , sign (mathematics) , alkyl , acceptor , electrochemistry , aryl , chemistry , redox , group (periodic table) , medicinal chemistry , stereochemistry , physics , organic chemistry , condensed matter physics , mathematics , mathematical analysis , electrode

The same redox behavior–except for a reversal in sign — is displayed by the long‐known p ‐phenylenediamine 1 (R = alkyl, aryl) and the novel B,B,B′,B ′‐tetramesityl‐ p ‐phenylenediborane 2 . Electrochemical and ESR/ENDOR studies reveal that the acceptor strength of the dimesitylboryl substituent is only surpassed by the nitro group.

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