Journal
ORGANIC LETTERS
Volume 12, Issue 12, Pages 2714-2717Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol100752y
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Funding
- AFRL/RZ
- AFB, OH
- AFRL/RZS, Edwards AFB, CA
- ERC, Inc., Huntsville, AL
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Thirteen bridged triazolium and imidazolium dicationic salts, which uniquely pair closo-icosahedral perfluoroborane [B(12)F(12)](2-), borane [B(12)H(12)](2-), or carborane [CB(11)H(12)](-) anionic species with unsaturated bridged heterocyclium dications, were synthesized using an aqueous benchtop method. This considerably extends the scope of a reported aqueous synthesis of binary [heterocyclium](2)[B(12)H(12)] and [heterocyclium][CB(11)H(12)] salts. Also, the one-step preparation of five new precursor bridged heterocyclium dicationic dihalide salts using conventional procedures and in one case a microwave-assisted method Is described.
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