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・ Methylmalonic acidemia
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・ Methylmalonyl-CoA
・ Methylmalonyl-CoA carboxytransferase
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・ Methyl-ONN-azoxymethanol beta-D-glucosyltransferase
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Methylaluminoxane
・ Methylamide
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・ Methylamine-corrinoid protein Co-methyltransferase
・ Methylamine—glutamate N-methyltransferase
・ Methylammonium halide
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Methylaluminoxane : ウィキペディア英語版
Methylaluminoxane

Methylaluminoxane, commonly called MAO, is a white solid with the general formula (Al(CH3)O)''n''.
==Physical properties==
MAO is pyrophoric, and is violently reactive with any chemical bearing an acidic proton. However, MAO is generally used as a solution in an (aromatic) hydrocarbon due to its relatively high solubility in such hydrocarbons. Most commonly, MAO is sold as a solution in toluene but it is also soluble in similar solvents such as xylene, cumene, or mesitylene. Its solubility is largely dependent on the content of trimethylaluminium, a precursor of MAO that is typically present as about five percent (by weight) of the solution. The toluene solution is clear to cloudy and reacts with air at the surface giving off a dense smoke.〔(www.albemarle.com/acrofiles/sc2008f_MAO_datasheet.pdf )〕
MAO is a poorly defined material, and probably adopts a number of structures in solution.
However, recently a comprehensive and believable description of the mechanism of formation of MAO has been proposed. The proposed mechanism and structural models for MAO explain fundamental experimental evidence such as chemical composition and co-catalytic activity for this multicomponent material.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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