专利号:US-6777553-B1 优先权日:2003-03-25 标题 :Process for synthesis of bis-(substituted-4-quinolyl) disulphides 发明人:MESHRAM HARSHADAS MITARAM; KOKKU PREMALATHA; AYYAGIRI VENKATA MADHAVI; BEGARI ESHWARAIAH; YADAV JHILLU SINGH 权利人:COUNCIL SCIENT IND RES 摘要:The present invention relates to a process for the synthesis of bis-(substituted-4-quinolyl) disulphides.
专利号:US-2008280855-A1 优先权日:2005-06-22 标 题 :Process For the Production of Intermediates For the Preparation of Tricyclic Benzimidazoles 发明人:CHIESA MARIA VITTORIA; PALMER ANDREAS; BUHR WILM; ZIMMERMANN PETER JAN; BREHM CHRISTOF; SIMON WOLFGANG-ALEXANDER; POSTIUS STEFAN; KROMER WOLFGANG; ZANOTTI-GEROSA ANTONIO 权利人:NYCOMED GMBH 摘要:The invention relates to a process for the synthesis of compounds of the formula 1-a and compounds of the formula 1-b. n n n n n n n n n n The compounds of the formula 1-a and the compounds of the formula 1-b, in which the substituents R1, R2, R3, and Ar have the meanings indicated in the description, are valuable intermediates for the preparation of pharmaceutically active compounds.
专利号:US-5212317-A 优先权日:1990-12-20 标 题:Methods and intermediates for the assymmetric synthesis of camptothecin and camptothecin analogs 发明人:COMINS DANIEL L; BAEVSKY MATTHEW F 权利人:UNIV NORTH CAROLINA STATE 摘要:Processes for making compounds of Formulae XIV, XV, and XVII ##STR1## wherein R 6 is lower alkyl, R 7 is lower alkyl, R is lower alkyl, Y is H, F or Cl, R 8 is a moiety of Formula XVIII ##STR2## wherein n is 1, 2, or 3, R 11 is C 1 -C 4 alkyl and R 12 is the same as R 11 , or R 11 and R 12 together form cyclopentane or cyclohexane, and R 13 is: n (a) phenyl substituted 1 to 5 times with C 3 -C 7 secondary alkyl or C 4 -C 7 tertiary alkyl, or n (b) selected from the group consisting of naphthyl, anthryl, and phenanthryl optionally substituted 1 to 5 times with C 3 -C 7 secondary alkyl or C 4 -C 7 tertiary alkyl groups, n R 10 is C 6 -C 10 alkyl, aryl or alkyl aryl, n and Y is H, F or Cl, n are disclosed. These processes can be used to make optically enhanced and optically pure forms of the compounds, which are useful in the making of camptothecin and analogs thereof.
专利号:US-5258516-A 优先权日:1990-12-20 标题 :Optically pure D,E ring intermediates useful for the synthesis of camptothecin and camptothecin analogs 发明人:COMINS DANIEL L; BAEVSKY MATTHEW F 权利人:NC STATE UNIVERSITY 摘要:Processes for making compounds of Formulae XIV, XV, and XVII ##STR1## wherein R 6 is lower alkyl, R 7 is lower alkyl, R is lower alkyl, Y is H, F or Cl, R 8 is a compound of Formula XVIII ##STR2## wherein n is 1, 2, or 3, R 11 is C 1 -C 4 alkyl and R 12 is the same as R 11 , or R 11 and R 12 together form cyclopentane or cyclohexane, and R 13 is: n (a) phenyl substituted 1 to 5 times with C 3 -C 7 secondary alkyl or C 4 -C 7 ; tertiary alkyl, or n (b) selected from the group consisting of naphthyl, anthryl, and phenanthryl optionally substituted 1 to 5 times with C 3 -C 7 secondary alkyl or C 4 -C 7 tertiary alkyl groups, n R 10 is C 6 -C 10 alkyl, aryl or alkyl aryl, n and Y is H, F or Cl, n are disclosed. These processes can be used to make optically enhanced and optically pure forms of the compounds, which are useful in the making of camptothecin and analogs thereof.
专利号:US-3919155-A 优先权日:1970-12-18 标题:Synthesis of aromatic amines by reaction of aromatic compounds with ammonia 发明人:SQUIRE EDWARD NOONAN 权利人:DU PONT 摘要:An improved process for producing an aromatic amine is provided in which an aromatic compound is reacted with ammonia in the presence of a conditioned nickel/nickel oxide cataloreactant at a temperature of from about 150*C. to about 500*C. and at a pressure of from about 10 to about 1000 atmospheres and in the presence of from 1 mole percent to 250 mole percent of water based on the molar amount of the aromatic compound.
专利号:US-4031106-A 优先权日:1973-12-19 标题:Synthesis of aromatic amines by reaction of aromatic compounds with ammonia 发明人:DELPESCO THOMAS WAYNE 权利人:DU PONT 摘要:An improved process is provided for producing an aromatic amine from ammonia and an aromatic compound which comprises reacting the aromatic compound with ammonia at a temperature of from about 150 DEG C. to about 500 DEG C. and at a pressure of from about 10 to about 1000 atmospheres in the presence of a conditioned nickel/nickel oxide/zirconium oxide cataloreactant containing an oxide of lanthanum, samarium, holmium, europium, erbium, yttrium, praseodymium, neodymium, terbium, ytterbium, dysprosium or a mixture of any of them.
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合成参考文献
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