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    • 1. 发明授权
    • Process for the preparation of imidazolones
    • 咪唑啉酮的制备方法
    • US6162923A
    • 2000-12-19
    • US463433
    • 2000-04-26
    • Csaba HuszarAttila Kis-TamasAttila NemethAntal GajaryLajosne Pali
    • Csaba HuszarAttila Kis-TamasAttila NemethAntal GajaryLajosne Pali
    • C07D235/02
    • C07D235/02
    • The present invention relates to a process for the preparation of a compound of general formula (I), ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group of 1-6 carbon atoms, and their salts, wherein the compound of formula (II): ##STR2## is reacted with a compound of formula (III): ##STR3## wherein R represents an alkyl group of 1-4 carbon atoms and R.sup.1 is the same as defined above, by heating their neutral pH mixtures at the boiling temperature of the mixture, and the resulting compound of general formula (IV): ##STR4## wherein R and R.sup.1 are the same as defined above, is cyclized into the compound of general formula (I) by further elevating the temperature of the neutral mixture, and if desired, the compounds of general formula (I) are transformed into their salts, or the compounds of general formula (I) are liberated from their salts.
    • PCT No.PCT / HU98 / 00065 Sec。 371日期:2000年04月26日 102(e)日期2000年4月26日PCT提交1998年7月22日PCT公布。 出版物WO99 /​​ 05118 日期1999年2月4日本发明涉及制备通式(I)化合物的方法,其中R1表示氢原子或1-6个碳原子的烷基,及其盐,其中化合物 式(II):与式(III)化合物反应:其中R表示1-4个碳原子的烷基且R1与上述定义相同,通过在混合物的沸点温度下加热其中性pH混合物 ,并且通过进一步提高中性混合物的温度将所得到的通式(IV)化合物(其中R和R 1与上述定义相同)环化成通式(I)的化合物,如果需要,化合物 通式(I)的化合物转化为它们的盐,或者通式(I)的化合物从其盐中释放出来。
    • 7. 发明授权
    • Process for preparation of dronedarone by mesylation
    • 通过甲磺酰化制备决奈达隆的方法
    • US09193703B2
    • 2015-11-24
    • US14007431
    • 2012-03-27
    • Antal FrieszCsaba Huszar
    • Antal FrieszCsaba Huszar
    • C07D307/81
    • C07D307/81
    • The invention relates to a novel process for preparation of N-[2-n-butyl-3-[4-[3-(di-n-butylamino)-propoxy]-benzoyl]-benzofuran-5-yl]methanesulfonamide (I) and pharmaceutical acceptable salts thereof, where a salt of (5-amino-2-butyl-1-benzofuran-3-yl){4-[3-(di-n-butylamino)propoxy]phenyl}methanone of formula (II)—where A is a mono- or dibasic acid forming an acid addition salt with the compound of formula (II), n is 1 if A is dibasic acid and n is 1 or 2 if A is a monobasic acid—is reacted with a mesylating reagent in a heterogen reaction, if desired, in the presence of a phase transfer catalyst. The invention also relates to the novel salts of compound of formula (II), for the preparation thereof and their use in the preparation of dronedarone.
    • 本发明涉及制备N- [2-正丁基-3- [4- [3-(二正丁基氨基) - 丙氧基] - 苯甲酰基] - 苯并呋喃-5-基]甲磺酰胺(I )和其药学上可接受的盐,其中式(II)的(5-氨基-2-丁基-1-苯并呋喃-3-基){4- [3-(二正丁基氨基)丙氧基]苯基}甲酮盐 ) - 其中A是与式(II)化合物形成酸加成盐的一元酸或二元酸,如果A是二元酸,n是1,如果A是一元酸,则n是1或2,如果A是一元酸,则与 如果需要,在相转移催化剂的存在下,异相原子反应中的甲磺酰试剂。 本发明还涉及式(II)化合物的新型盐,用于制备它们及其在制备决奈达隆中的用途。
    • 9. 发明申请
    • PROCESS FOR PREPARATION OF DRONEDARONE BY MESYLATION
    • 通过MESYLATION制备龙胆酮的方法
    • US20140081035A1
    • 2014-03-20
    • US14007431
    • 2012-03-27
    • Antal FrieszCsaba Huszar
    • Antal FrieszCsaba Huszar
    • C07D307/81
    • C07D307/81
    • The invention relates to a novel process for preparation of N-[2-n-butyl-3-[4-[3-(di-n-butylamino)-propoxy]-benzoyl]-benzofuran-5-yl]methanesulfonamide (I) and pharmaceutical acceptable salts thereof, where a salt of (5-amino-2-butyl-1-benzofuran-3-yl) {4-[3-(di-n-butylamino)propoxy]phenyl}methanone of formula (II)—where A is a mono- or dibasic acid forming an acid addition salt with the compound of formula (II), n is 1 if A is dibasic acid and n is 1 or 2 if A is a monobasic acid—is reacted with a mesylating reagent in a heterogen reaction, if desired, in the presence of a phase transfer catalyst. The invention also relates to the novel salts of compound of formula (II), for the preparation thereof and their use in the preparation of dronedarone.
    • 本发明涉及制备N- [2-正丁基-3- [4- [3-(二正丁基氨基) - 丙氧基] - 苯甲酰基] - 苯并呋喃-5-基]甲磺酰胺(I )和其药学上可接受的盐,其中式(II)的(5-氨基-2-丁基-1-苯并呋喃-3-基){4- [3-(二正丁基氨基)丙氧基]苯基}甲酮盐 ) - 其中A是与式(II)化合物形成酸加成盐的一元酸或二元酸,如果A是二元酸,n是1,如果A是一元酸,则n是1或2,如果A是一元酸,则与 如果需要,在相转移催化剂的存在下,异相原子反应中的甲磺酰试剂。 本发明还涉及式(II)化合物的新型盐,用于制备它们及其在制备决奈达隆中的用途。