A Monocyclic Selenepine: Synthesis and Characterization of Diethyl 2,7‐Di‐ tert ‐butyl‐4,5‐selenepinedicarboxylate | Zendy

Hori Hideaki | Zendy; Yamazaki Shoko | Zendy; Yamamoto Kagetoshi | Zendy; Murata Ichiro | Zendy

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A Monocyclic Selenepine: Synthesis and Characterization of Diethyl 2,7‐Di‐ tert ‐butyl‐4,5‐selenepinedicarboxylate

Author(s) -

Hori Hideaki,

Yamazaki Shoko,

Yamamoto Kagetoshi,

Murata Ichiro

Publication year - 1990

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.199004241

Subject(s) - selenium , chemistry , cleavage (geology) , extrusion , stereochemistry , bond cleavage , medicinal chemistry , organic chemistry , materials science , catalysis , metallurgy , fracture (geology) , composite material

Selenium elimination even at room temperature occurs with the title compound 2 , which can be synthesized in eight steps from the “selenapyranone” 1 . The positive entropy of activation for the selenium extrusion process 2 → 3 (Δ S * = 9.3 J K −1 ) suggests initial cleavage of a CSe bond and the absence of a norcaradiene‐type intermediate.

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