[EN] PRODUCTION METHOD OF IMIDAZOLE DERIVATIVES<br/>[FR] PROCÉDÉ DE PRODUCTION DE DÉRIVÉS D'IMIDAZOLE
申请人:TAKEDA PHARMACEUTICAL
公开号:WO2012173280A1
公开(公告)日:2012-12-20
The present invention provides an advantageous production method of an imidazole derivative, which is suitable for industrial production. Compound (VI) is produced by reacting compound (I) with a Grignard reagent or a magnesium reagent, and a lithium reagent, and then reacting the resulting compound with compound (V).
Palladium-catalyzed cross-coupling reactions of 2-diazonaphthoquinones with arylboronic acids
作者:Mitsuru Kitamura、Rie Sakata、Tatsuo Okauchi
DOI:10.1016/j.tetlet.2011.02.047
日期:2011.4
Palladium-catalyzedcross-coupling reactions of 2-diazonaphthoquinones and arylboronicacids proceeded by the treatment with Pd(OAc)2 in acetic acid to afford 2-aryl-1-naphthols.
Hydroxypivalyl hydroxypivalate ester plasticizer composition and method of preparing the same
申请人:Kim Hyunkyu
公开号:US20070015933A1
公开(公告)日:2007-01-18
Provided are a plasticizer composition including a hydroxypivalyl hydroxypivalate ester and a neopentylglycol ester, and a method of preparing the plasticizer composition. The plasticizer composition provides a polyvinyl chloride resin having excellent properties of heat loss, migration resistance and plasticization efficiency, and tensile strength, elongation, etc.
Organic EL Material, Organic EL Device Using the Same, and Method for Producing Organic EL Device
申请人:Matsuo Shinji
公开号:US20090130297A1
公开(公告)日:2009-05-21
Disclosed are an aluminum chelate complex capable of stabilizing the degree of vacuum in a film-forming chamber in the vapor deposition step and producing efficiently a high-quality organic EL device which shows excellent reliability and durability in practical use and an organic EL device using the said aluminum chelate complex. The aluminum chelate complex useful as an organic EL material is represented by L
1
Al(L
2
)
2
, contains 0.6 mol % or less of a complex represented by Al(L
2
)
3
, and is obtained by reacting an aluminum alkoxide with a quinolinol derivative and then with a phenolic compound and purifying the resulting complex to a high degree. In the formulas, L
1
denotes a phenolate ligand and L
2
denotes a substituted quinolinolate ligand.
The present invention provides an advantageous production method of an imidazole derivative, which is suitable for industrial production.
Compound (VI) is produced by reacting compound (I) with a Grignard reagent or a magnesium reagent, and a lithium reagent, and then reacting the resulting compound with compound (V).