Synthesis, bridgehead functionalization, and photoisomerization of 9,10-diboratatriptycene dianions.
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ABSTRACT: 9,10-Diboratatriptycene salts M2[RB(μ-C6H4)3BR] (R = H, Me; M+ = Li+, K+, [n-Bu4N]+) have been synthesized via [4 + 2] cycloaddition between doubly reduced 9,10-dihydro-9,10-diboraanthracenes M2[DBA] and benzyne, generated in situ from C6H5F and C6H5Li or LiN(i-Pr)2. [HB(μ-C6H4)3BH]2- reacts with CH2Cl2 to form quantitatively the bridgehead-derivatized [ClB(μ-C6H4)3BCl]2-, while twofold H- abstraction with B(C6F5)3 in the presence of SMe2
SUBMITTER: Prey SE
PROVIDER: S-EPMC10207881 | biostudies-literature | 2023 May
REPOSITORIES: biostudies-literature
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