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    • 1. 发明授权
    • Process for making 5-lipoxygenase inhibitors having varied heterocyclic ring systems
    • 制备具有不同杂环体系的5-脂氧合酶抑制剂的方法
    • US06346624B1
    • 2002-02-12
    • US09607011
    • 2000-06-29
    • Timothy NorrisMegan E. HnatowJohn F. Lambert
    • Timothy NorrisMegan E. HnatowJohn F. Lambert
    • C07D23360
    • C07D231/12C07D233/56C07D249/08C07D309/08
    • A novel process intermediate, tetrahydro-4-[3-(4-fluorophenyl)thio]phenyl-2H-pyran-4-carboxamide, of the formula: is described, as well as its use in a process of preparing 5-lipoxygenase inhibitors of the formula: which comprises establishing a reaction mixture consisting of: and an electron deficient monocyclic or benzo-fused bicyclic N-heterocycle containing two nitrogen atoms of the formula:  in an aprotic solvent; in the presence of a carbonate of the formula: (M)2-CO3, where M is an alkali metal, Group 1/Ia element, selected from the group consisting of lithium, Li; sodium,Na; potassium, K; rubidium, Rb; and cesium, Cs; followed by heating of said reaction mixture under a nitrogen atmosphere; whereby there is produced the desired compound of the above-recited formula.
    • 描述了具有下式的新型方法中间体四氢-4- [3-(4-氟苯基)硫代]苯基-2H-吡喃-4-甲酰胺,以及其在制备5-脂氧合酶抑制剂的方法中的用途 其包括建立由以下组成的反应混合物:和电子缺乏的单环或苯并稠合双环N-杂环,其含有下式的两个氮原子:在非质子溶剂中; 在式(M)2 -CO 3存在下,其中M是碱金属,选自锂,Li的第1 / Ia族元素; 钠,钠; 钾,钾; 铷,Rb; 和铯,Cs; 然后在氮气氛下加热所述反应混合物; 由此产生所需式化合物。
    • 3. 发明授权
    • Process for making 5-lipoxygenase inhibitors having varied heterocyclic ring systems
    • 制备具有不同杂环体系的5-脂氧合酶抑制剂的方法
    • US06344563B1
    • 2002-02-05
    • US09606609
    • 2000-06-29
    • Timothy NorrisMegan E. HnatowJohn F. Lambert
    • Timothy NorrisMegan E. HnatowJohn F. Lambert
    • C07D23356
    • C07D235/06C07D231/12C07D233/56C07D249/08
    • process is described for preparing a compound of Formula (1.3.0): comprising: establishing a reaction mixture consisting of in an aprotic solvent; in the presence of a strong base in solid form selected from the group consisting of sodium hydroxide, NaOH; and potassium hydroxide, KOH;—and optionally—in the presence of a catalytic amount of cesium carbonate, Cs2CO3, or of a phase transfer catalyst, especially a quaternary ammonium salt or a phosphonium salt—followed by—heating said reaction mixture under a nitrogen atmosphere; whereby there is produced a compound of Formula (1.3.0); and in a preferred embodiment the aprotic solvent is DMSO, the strong base in solid form is NaOH in powder or pellet form, and the phase transfer catalyst is tetra-n-butylammonium chloride (TBAC), which is used to prepare a preferred compound, useful as a 5-lipoxygenase inhibitor, of the formula: especially the substantially pure methanesulfonate salt thereof.
    • 描述了制备式(1.3.0)化合物的方法:包括:建立由非质子溶剂组成的反应混合物; 在固体形式的强碱存在下,选自氢氧化钠,NaOH; 和氢氧化钾,KOH;和任选地在催化量的碳酸铯,Cs 2 CO 3或相转移催化剂,特别是季铵盐或鏻盐的存在下,随后在氮气下加热所述反应混合物 大气层; 由此产生式(1.3.0)的化合物; 在优选的实施方案中,非质子溶剂是DMSO,固体形式的强碱是粉末或颗粒形式的NaOH,相转移催化剂是用于制备优选化合物的四正丁基氯化铵(TBAC) 可用作下式的5-脂氧合酶抑制剂:特别是其基本上纯的甲磺酸盐。