909-21-7Relevant articles and documents
Organoborazines. Part 2. Synthesis of Alkenyltriborazines
Jackson, Logan A.,Allen, Christopher W.
, p. 2423 - 2428 (2007/10/02)
A series of unsymmetrically B-substituted N-methyl and N-phenyl borazines R3(R2)2B3N3(R1)3 (R3=vinyl, allyl, or p-vinylphenyl; R2=methyl or phenyl; R1=methyl or phenyl) were prepared by substitution reactions of Cl3B3N3Me3 and H3B3N3Ph3 using Grignard reagents.Substituent exchange processes in these reactions were monitored by gas chromatography-mass spectrometry.These compounds were prepared in moderate yields and characterized by a combination of i.r. spectroscopy,(1)H, (13)C, and (11)B n.m.r. spectroscopy, mass spectrometry, and elemental analysis.N.m.r. evidence for the existence of mesomeric interactions of the borazines with the vinyl substituent and lack of such interactions with the p-vinylphenyl substituent was obtained.
Reactions of borazines with pyrazole and related studies: (μ-Amido)(μ-pyrazolato)diboron species, novel relatives of the pyrazaboles
Bielawski,Das,Hanecker,Niedenzu,N?th
, p. 4623 - 4628 (2008/10/08)
The reaction of borazines, (-BRNR′-)3, with pyrazole, Hpz, gives (μ-pyrazolato)(μ-amido)diboron species of the type R(pz)B-(μ-pz)(μ-NHR′)BR(pz) (3) containing a central B2N3 ring system. Four compounds of type 3 with R = C