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A Diboracyclopropane with a Planar‐Tetracoordinate Carbon Atom and a Triborabicyclobutane
Author(s) -
Sahin Yüksel,
Präsang Carsten,
Hofmann Matthias,
Subramanian Govindan,
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.200390185
Subject(s) - tetracoordinate , carbon atom , atom (system on chip) , tetrahedron , planar , carbon fibers , ring (chemistry) , crystallography , chemistry , materials science , organic chemistry , computer science , computer graphics (images) , composite number , composite material , embedded system
Four‐coordinate in a three‐membered ring and thereby planar : The chemical shift of the skeletal carbon atom of 1 , which was generated and spectroscopically characterized at −90 °C, agrees very well with that computed for the model 2 , but differs by 70 ppm from that of the similarly substituted, but distorted‐tetrahedral carbon atom in 3 . R=SiMe 3 , Dur=2,3,5,6‐tetramethylphenyl.

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