- Gram-Scale Synthesis and Supramolecular Complex of Precursors of Clar's Hydrocarbon Triangulene
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We present to date the most efficient gram-scale synthesis of triangulene-4,8-dione and 12-hydroxytriangulene-4,8-dione, the precursors of Clar's hydrocarbon, in overall yields >50%. The direct dihydroprecursors of triangulene, obtained upon reduction of
- Ribar, Peter,?olomek, Tomá?,Jurí?ek, Michal
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supporting information
p. 7124 - 7128
(2019/09/07)
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- METHOD FOR PRODUCING ARYL LITHIUM COMPOUND
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PROBLEM TO BE SOLVED: To provide a method for producing an aryl lithium compound and a method for producing a triaryl methanol and a triaryl methane via the aryl lithium compound. SOLUTION: There is provided a method for producing an aryl lithium compound using a solvent in which the resultant aryl lithium compound is insoluble when an aryl halide compound is reacted with an organic lithium compound to be lithiated. There is also provided a method for producing a triaryl methanol in which the aryl lithium compound is produced and is successively reacted with a carbonate ester compound in situ without isolation of the aryl lithium compound. SELECTED DRAWING: None COPYRIGHT: (C)2016,JPOandINPIT
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Paragraph 0025-0026; 0028
(2017/05/03)
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