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Synthesis and Characterization of Novel Intramolecularly Base‐stabilized Boron Halides. Molecular Structures of 1‐X 2 BOCR 1 R 2 ‐2‐NMe 2 C 6 H 4 [R 1 = R 2 = Ph, X = Cl or F; R 1 = R 2 = Cy, X = Cl] and [1‐LiN(Ph)C(H)Ph‐2‐NMe 2 C 6 H 4 ] 2
Author(s) -
AlMasri Harbi Tomah,
Sieler Joachim,
Blaurock Steffen,
Lönnecke Peter,
Junk Peter C.,
HeyHawkins Evamarie
Publication year - 2005
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200400375
Subject(s) - chemistry , crystal structure , halide , amide , boron , lithium (medication) , crystallography , stereochemistry , lithium amide , x ray crystallography , molecule , medicinal chemistry , inorganic chemistry , organic chemistry , medicine , enantioselective synthesis , endocrinology , catalysis , physics , diffraction , optics
The lithium alkoxides [1‐LiOCR 1 R 2 ‐2‐NMe 2 C 6 H 4 ] 2 [R 1 = R 2 = Ph ( 1 ), Cy ( 2 )] react with BCl 3 or BF 3 (Et 2 O) to give 1‐X 2 BOCR 1 R 2 ‐2‐NMe 2 C 6 H 4 [R 1 = R 2 = Ph, X = Cl ( 4 ); R 1 = R 2 = Cy, X = Cl ( 5 ); R 1 = R 2 = Ph, X = F ( 6 ); R 1 = R 2 = Cy, X = F ( 7 )]. The lithium amide [1‐LiN(Ph)C(H)Ph‐2‐NMe 2 C 6 H 4 ] 2 ( 3 ) reacts with BCl 3 to give 1‐Cl 2 BN(Ph)C(H)Ph‐2‐NMe 2 C 6 H 4 ( 8 ). Compounds 4 ‐ 8 were characterized spectroscopically (NMR, IR, MS), and crystal structures were determined for 3 ‐ 6 .
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