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公开(公告)号:US4656272A
公开(公告)日:1987-04-07
申请号:US855383
申请日:1986-04-24
Applicant: Roland Martin , Lothar Janitschke
Inventor: Roland Martin , Lothar Janitschke
IPC: C07D251/54 , C07D251/70
CPC classification number: C07D251/70
Abstract: s-Triazine compounds which can be used as sunscreen agents are prepared in a technically simpler manner by a process in which an ester of a branched alkanoic acid with a saturated aliphatic alcohol or, if appropriate, a mixture of such alcohols is used as the solvent in the reaction of a cyanuric halide with a p-aminobenzoate.
Abstract translation: 可以用作防晒剂的s-三嗪化合物以技术上更简单的方式制备,其中使用支链烷酸与饱和脂族醇的酯或如果合适的话使用这些醇的混合物作为溶剂 在氰尿酰卤与对氨基苯甲酸酯的反应中。
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公开(公告)号:US5210192A
公开(公告)日:1993-05-11
申请号:US835455
申请日:1992-03-02
Applicant: Marius Bugglin , Herbert Gropp , Lothar Janitschke , Ulrich Karl , Hans-Heinrich Lenz
Inventor: Marius Bugglin , Herbert Gropp , Lothar Janitschke , Ulrich Karl , Hans-Heinrich Lenz
IPC: C07D233/90 , C07D473/06 , C07D473/10
CPC classification number: C07D473/10 , C07D233/90 , C07D473/06
Abstract: The invention is directed to a process for preparing 3,7-dialkylxanthines of the formula I ##STR1## (R.sup.1 and R.sup.2 denote C.sub.1 -C.sub.4 -alkyl) by the reaction of 4-amino-imidazolecarboxamide-(5) of the formula II ##STR2## with an alkali cyanate in aqueous solution at a pH of from 3 to 5 followed by cyclization of the resulting urea derivative at a pH of from 8 to 14.
Abstract translation: PCT No.PCT / EP90 / 01478 Sec。 371日期:1992年3月2日 102(e)日期1992年3月2日PCT 1990年9月4日PCT PCT。 出版物WO91 / 03477 日本1991年3月21日。本发明涉及一种通过4-氨基-4-羟基苯甲酸的反应制备式I(I)的(R 3和R 2表示C 1 -C 4烷基)的3-7-二烷基黄嘌呤的方法, 式(II)的咪唑烷酰胺 - (5)与碱金氰酸盐在pH为3至5的水溶液中接触,然后在8至14的pH下环化所得脲衍生物。
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13.
公开(公告)号:US06248865B1
公开(公告)日:2001-06-19
申请号:US09211013
申请日:1998-12-15
Applicant: Wilhelm Amberg , Harald Bernard , Ernst Buschmann , Andreas Haupt , Lothar Janitschke , Bernd Janssen , Ulrich Karl , Andreas Kling , Stefan Müller , Bernd de Potzolli , Kurt Ritter , Marco Thyes , Thomas Zierke
Inventor: Wilhelm Amberg , Harald Bernard , Ernst Buschmann , Andreas Haupt , Lothar Janitschke , Bernd Janssen , Ulrich Karl , Andreas Kling , Stefan Müller , Bernd de Potzolli , Kurt Ritter , Marco Thyes , Thomas Zierke
IPC: C07K700
Abstract: Compounds of the formula where R1, R2, R3 and R4 have the meaning stated in the description, and a process for preparing them are described. The compounds are suitable as starting material for synthesizing substances which are active against tumors.
Abstract translation: 制备方法R1,R2,R3和R4的化合物具有说明书中所述的含义,并描述了制备它们的方法。 该化合物适用于合成对肿瘤有活性的物质的起始原料。
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公开(公告)号:US5523485A
公开(公告)日:1996-06-04
申请号:US355288
申请日:1994-12-12
Applicant: Lothar Janitschke , Ernst Buschmann
Inventor: Lothar Janitschke , Ernst Buschmann
IPC: C07C231/02
CPC classification number: C07C231/02
Abstract: A process for preparing high-purity isobutyramide which comprises reacting isobutyryl chloride in toluene or xylene at -15.degree. to 30.degree. C. with ammonia is described.
Abstract translation: 描述了一种制备高纯度异丁酰胺的方法,该方法包括使-15℃至30℃下的异丁酰氯在甲苯或二甲苯中与氨反应。
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15.
公开(公告)号:US5886147A
公开(公告)日:1999-03-23
申请号:US737279
申请日:1996-11-06
Applicant: Wilhelm Amberg , Harald Bernard , Ernst Buschmann , Andreas Haupt , Lothar Janitschke , Bernd Janssen , Ulrich Karl , Andreas Kling , Stefan Muller , Bernd de Potzolli , Kurt Ritter , Marco Thyes , Thomas Zierke
Inventor: Wilhelm Amberg , Harald Bernard , Ernst Buschmann , Andreas Haupt , Lothar Janitschke , Bernd Janssen , Ulrich Karl , Andreas Kling , Stefan Muller , Bernd de Potzolli , Kurt Ritter , Marco Thyes , Thomas Zierke
Abstract: Compounds of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meaning stated in the description, and a process for preparing them are described. The compounds are suitable as starting material for synthesizing substances which are active against tumors.
Abstract translation: PCT No.PCT / EP95 / 01576 Sec。 371日期:1996年11月6日 102(e)日期1996年11月6日PCT 1995年4月26日PCT PCT。 公开号WO95 / 30690 日期:1995年11月16日公开说明书中描述了R1,R2,R3和R4具有含义的化合物及其制备方法。 该化合物适用于合成对肿瘤有活性的物质的起始原料。
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公开(公告)号:US5864012A
公开(公告)日:1999-01-26
申请号:US732453
申请日:1996-11-04
Applicant: Wilhelm Amberg , Harald Bernard , Ernst Buschmann , Andreas Haupt , Lothar Janitschke , Bernd Janssen , Ulrich Karl , Andreas Kling , Stefan Muller , Bernd de Potzolli , Kurt Ritter , Marco Thyes , Thomas Zierke
Inventor: Wilhelm Amberg , Harald Bernard , Ernst Buschmann , Andreas Haupt , Lothar Janitschke , Bernd Janssen , Ulrich Karl , Andreas Kling , Stefan Muller , Bernd de Potzolli , Kurt Ritter , Marco Thyes , Thomas Zierke
IPC: A61K38/00 , A61K38/08 , A61P35/00 , C07K1/08 , C07K5/10 , C07K5/103 , C07K7/06 , C07K14/52 , C07K7/00
Abstract: The compound Me.sub.2 Val--Val--MeVal--Pro--Pro--NHBzl.multidot.HCl is described. It is prepared from Z--Val--Val--MeVal--Pro--OR.sup.1 where Z and R.sup.1 have the meanings stated in the description. The compound shows antineoplastic activity.
Abstract translation: PCT No.PCT / EP95 / 01577 Sec。 371日期:1996年11月4日 102(e)日期1996年11月4日PCT提交1995年4月26日PCT公布。 WO95 / 30691 PCT出版物 日期:1995年11月16日描述了化合物Me2Val-Val-MeVal-Pro-Pro-NHBzlxHCl。 由Z-Val-Val-MeVal-Pro-OR1制备,其中Z和R1具有说明书中所述的含义。 该化合物显示抗肿瘤活性。
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