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Crystal structure of cis-1-phenyl-8-(pyridin-2-ylmeth-yl)dibenzo[1,2-c:2,1-h]-2,14-dioxa-8-aza-1-borabi-cyclo-[4.4.0]deca-3,8-diene.

ABSTRACT: The title compound, C26H23BN2O2, was obtained as by product during synthetic attempts of a complexation reaction between the tripodal ligand H2L [N,N-bis-(2-hy-droxy-benz-yl)(pyridin-2-yl)methyl-amine] and manganese(III) acetate in the presence of NaBPh4. The isolated B-phenyl dioxaza-borocine contains an N?B dative bond with a cis conformation. In the crystal, C-H?O hydrogen bonds define chains parallel to the b-axis direction. A comparative analysis with other structurally related derivatives is also included, together with a rationalization of the unexpected production of this zwitterionic heterocycle.

SUBMITTER: Ledesma G 

PROVIDER: S-EPMC5730252 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Crystal structure of <i>cis</i>-1-phenyl-8-(pyridin-2-ylmeth-yl)dibenzo[1,2-<i>c</i>:2,1-<i>h</i>]-2,14-dioxa-8-aza-1-borabi-cyclo-[4.4.0]deca-3,8-diene.

Ledesma Gabriela G   Signorella Sandra S   Back Davi D   Schulz Lang Ernesto E  

Acta crystallographica. Section E, Crystallographic communications 20171121 Pt 12

The title compound, C<sub>26</sub>H<sub>23</sub>BN<sub>2</sub>O<sub>2</sub>, was obtained as by product during synthetic attempts of a complexation reaction between the tripodal ligand H<sub>2</sub><i>L</i> [<i>N</i>,<i>N</i>-bis-(2-hy-droxy-benz-yl)(pyridin-2-yl)methyl-amine] and manganese(III) acetate in the presence of NaBPh<sub>4</sub>. The isolated <i>B</i>-phenyl dioxaza-borocine contains an N→B dative bond with a <i>cis</i> conformation. In the crystal, C-H⋯O hydrogen bonds define chains  ...[more]

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