METHOD OF PREPARING 3-(2-[4-6-FLUOROBENZO [d] ISOXAZOL-3- YL] PIPERIDINE-1-Y) EHTYL-2-METHYL-6,7,8,9-TETRAHYDRY-4H- PYRIDO [1,2-a] PYRIMIDIN-4-ONE AND INTERMEDIATE COMPOUNDS FOR PREPARING THEREOF Russian patent published in 1998 - IPC

Abstract RU 2123004 C1

FIELD: chemical industry. SUBSTANCE: method comprises reacting 3-(2- aminoethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido [1,2-a] pyrimidin-4-one (II) with isoxazole derivative of formula III wherein Y and Z are removable groups such as halogen or alkyl-or arylsulfonyloxy group in the presence of suitable solvent and base. The method makes it possible to simplify process for preparation of compound (I) due to using more readily available reagents. The present invention also describes compounds II and III. EFFECT: more efficient preparation method. 8 cl, 8 ex

Similar patents RU2123004C1

Title Year Author Number
3-{2-[4-(6-FLUOROBENZO[D]ISOXAZOLE-3-YL)-3,6-DIHYDRO-2H- -PYRIDINE-1-YL]-ETHYL}-2-METHYL-6,7,8,9-TETRAHYDROPYRIDO- -[1,2-A]-PYRIMIDINE-4-ONE AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS, METHOD OF ITS SYNTHESIS, METHOD OF PRODUCING SALT OF 1-[2-(2-METHYL-4-OXO-6,7,8,9-TETRAHYDRO-4H-PYRIDO-[1,2-A]- -PYRIMIDINE-3-YL)ETHYL]-4-(6-FLUOROBENZO[D]ISOXAZOLE-3-YL)- -PYRIDINIUM, PHARMACEUTICAL COMPOSITION 1995
  • Khose Marija Kal'Dero Khes
  • Klotet Khoan Uget
  • Fransisko Markil'Jas Olondris
  • Pere Dalmases Barkhoan
  • Anna Bosh Rovira
  • Khoan Roka Asin
  • Khuan Karlos Del' Kastil'O N'Eto
RU2126005C1
METHOD FOR PREPARING 3-{2-[4-(6-FLUOROBENZO[D]ISOXAZOLE-3-YL)PIPERIDINE-1-YL]ETHYL}-2-METHYL-6,7,8,9-TETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDINE-4-ONE, INTERMEDIATE DERIVATIVES FOR ITS PREPARING AND METHOD FOR PREPARING INTERMEDIATE DERIVATIVE 2003
  • Armengol' Migel' P.
  • Gordo Ehster
  • Kamps Franses Ks.
  • Pasto Mireija
  • Petschen Ines
  • Ramentol' Khorkhe
  • Sal'Jares Khuan
  • Fernandes-Kano D'Ego
  • Foget Rafaehl'
RU2272037C9
METHOD OF PREPARING 1,2,3,9-TETRAHYDRO-9-METHYL-3-(2- METHYL-1H-IMIDAZOL-1-YL)-METHYL-4H-CARBAZOL-4-ONE OF FORMULA I 1993
  • Khuan Uget Klotet[Es]
  • Khose Marija Kalideroges[Es]
RU2109741C1
METHOD OF SYNTHESIS OF 3-[2-(DIMETHYLAMINO)-ETHYL]-N-METHYL- -1H-INDOLE-5-METHANE SULFONEAMIDE 1993
  • Pere Dal'Mases Barkhoan[Es]
  • Fransisko Markillas Olondris[Es]
  • Ana Bosch Rovira[Es]
  • Khose Marija Kal'Dero Ges[Es]
RU2108327C1
METHOD OF SYNTHESIS OF 2-CARBOXY-3-[2-(DIMETHYLAMINO)-ETHYL]- -N-METHYL-1H-INDOLE-5-METHANE SULFONEAMIDE 1993
  • Pere Dal'Mases Barkhoan[Es]
  • Fransisko Markillas Olondris[Es]
  • Ana Bosch Rovira[Es]
  • Khose Marija Kal'Dero Ges[Es]
RU2108326C1
HETEROCYCLIC COMPOUNDS, METHOD FOR PRODUCTION THEREOF AND USE THEREOF 2015
  • Tszyan Khualin
  • Van Chzhen
  • Li Tszyanfen
  • Chzhan Zhunsya
  • Khe Yan
  • Lyu Yuntszyan
  • Bi Minkhao
  • Lyu Chzhen
  • Tyan Guankhuej
  • Chen Vejmin
  • Yan Fejpu
  • U Chunkhuej
  • Van Yuj
  • Tszyan Syanzhuj
  • In Tszintszin
  • Van Guan
  • Shen Tszinshan
RU2667498C2
SUBSTITUTED PYRIDO[4',3':5,6]PYRANO[2,3-d]PYRIMIDINES AND COMBINATORY LIBRARY 2004
  • Zhuravel' Irina Aleksandrovna
  • Ivashchenko Aleksandr Vasil'Evich
  • Kovalenko Sergej Nikolaevich
  • Borisov Aleksandr Vladimirovich
  • Okun' Il'Ja Matusovich
  • Tkachenko Sergej Evgen'Evich
  • Chernykh Valentin Petrovich
RU2269538C1
TETRAHYDRO-4N-PYRIDO[1,2-a]PYRIMIDINE AND RELATED COMPOUNDS, USED AS INHIBITORS OF HIV-INTEGRASE 2003
  • Kreshentsi Benedetta
  • Kintsel' Olaf
  • Mural'Ja Ehster
  • Orv'Eto Federika
  • Peskatore Dzhovanna
  • Rouli Majkl
  • Summa Vinchentso
RU2329265C2
(3-CYCLOALKYL-2, 3, 4, 5 - TETRAHYDRO-1H-BENZO [d] AZEPIN-7-YLOXY) DERIVATIVES, USE THEREOF FOR INHIBITING H3 RECEPTORS, PHARMACEUTICAL COMPOSITION AND PREPARATION METHOD 2003
  • Bamford Mark Dzhejms
  • Din Dehvid Kennet
  • Sekhmi Sandzhit Singkh
  • Uilson Dehvid Mehtt'Ju
  • Vizerington Dzhejson
RU2388752C2
NEW COMPOUNDS FOR MENTAL DISORDERS, PREPARING AND USING THEM 2008
  • Li Jusin'
RU2459824C2

RU 2 123 004 C1

Authors

Pere Dalmases Barkhoan

Fransisko Markillas Olondris

Khoan Uget Klotet

Ana Bosh Rovira

Khuan Karlos Del' Kastillo N'Eto

Khose Marija Kaldero Ges

Dates

1998-12-10Published

1995-02-10Filed