BE839004A - Procede de preparation de 4-oxo-hexahydropyrazino-isoquinoleine - Google Patents

Procede de preparation de 4-oxo-hexahydropyrazino-isoquinoleine

Info

Publication number
BE839004A
BE839004A BE164697A BE164697A BE839004A BE 839004 A BE839004 A BE 839004A BE 164697 A BE164697 A BE 164697A BE 164697 A BE164697 A BE 164697A BE 839004 A BE839004 A BE 839004A
Authority
BE
Belgium
Prior art keywords
isoquinoleine
hexahydropyrazino
oxo
preparing
Prior art date
Application number
BE164697A
Other languages
English (en)
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE839004A publication Critical patent/BE839004A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D217/00Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
    • C07D217/02Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines
    • C07D217/06Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines with the ring nitrogen atom acylated by carboxylic or carbonic acids, or with sulfur or nitrogen analogues thereof, e.g. carbamates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BE164697A 1975-03-01 1976-02-27 Procede de preparation de 4-oxo-hexahydropyrazino-isoquinoleine BE839004A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2508947A DE2508947C3 (de) 1975-03-01 1975-03-01 Verfahren zur Herstellung von 4-Oxo-1,2,3,6,7, 11b-hexahydro-4H-pyrazino [2,1-a] isochinolinen

Publications (1)

Publication Number Publication Date
BE839004A true BE839004A (fr) 1976-08-27

Family

ID=5940184

Family Applications (1)

Application Number Title Priority Date Filing Date
BE164697A BE839004A (fr) 1975-03-01 1976-02-27 Procede de preparation de 4-oxo-hexahydropyrazino-isoquinoleine

Country Status (19)

Country Link
US (1) US4049659A (da)
JP (1) JPS5940155B2 (da)
AT (1) AT358043B (da)
BE (1) BE839004A (da)
CA (1) CA1068701A (da)
CH (1) CH602727A5 (da)
CS (1) CS194236B2 (da)
DE (1) DE2508947C3 (da)
DK (1) DK137275C (da)
ES (1) ES445591A1 (da)
FI (1) FI60866C (da)
FR (1) FR2303014A1 (da)
GB (1) GB1495236A (da)
HU (1) HU175127B (da)
IE (1) IE42959B1 (da)
LU (1) LU74448A1 (da)
NL (1) NL186696C (da)
SE (1) SE422579B (da)
YU (1) YU50576A (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196291A (en) * 1973-12-17 1980-04-01 Merck Patent Gesellschaft Mit Beschraenkter Haftung 2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof
US4113867A (en) * 1973-12-17 1978-09-12 Merck Patent Gesellschaft Mit Beschrankter Haftung 2-acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof
US4162319A (en) * 1974-08-28 1979-07-24 Merck Patent Gesellschaft Mit Beschrankter Haftung Ring substituted pyrazino-isoquinoline derivatives and their preparation
DE3916549C1 (da) * 1989-05-20 1990-05-17 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
CN100503582C (zh) * 2005-03-01 2009-06-24 江苏工业学院 吡喹酮合成工艺
CN101691367B (zh) * 2009-08-31 2013-07-24 中国人民解放军第二军医大学 具有抗真菌活性的哌嗪并[2,1-a]异喹啉类化合物或其盐类
WO2012081035A2 (en) * 2010-12-13 2012-06-21 Sequent Scientific Limited A process for preparation of praziquantel
KR101960347B1 (ko) 2015-02-12 2019-03-20 쯔지앙 하이썬 파머슈티컬 컴퍼니, 리미티드 프라지콴텔 및 이의 중간체 화합물의 제조방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331713A1 (de) * 1973-06-22 1975-01-23 Merck Patent Gmbh Pyrazinoisochinolin-derivat

Also Published As

Publication number Publication date
CS194236B2 (en) 1979-11-30
HU175127B (hu) 1980-05-28
SE422579B (sv) 1982-03-15
DK137275B (da) 1978-02-13
NL7602101A (nl) 1976-09-03
JPS51110600A (en) 1976-09-30
FI60866C (fi) 1982-04-13
FI60866B (fi) 1981-12-31
SE7602535L (sv) 1976-09-02
YU50576A (en) 1982-05-31
NL186696B (nl) 1990-09-03
AT358043B (de) 1980-08-11
GB1495236A (en) 1977-12-14
DK137275C (da) 1978-07-17
FI760519A (da) 1976-09-02
DE2508947C3 (de) 1982-02-25
NL186696C (nl) 1991-02-01
DE2508947A1 (de) 1976-09-09
CA1068701A (en) 1979-12-25
ES445591A1 (es) 1977-06-01
IE42959B1 (en) 1980-11-19
LU74448A1 (da) 1977-09-12
DE2508947B2 (de) 1981-05-07
ATA147576A (de) 1980-01-15
IE42959L (en) 1976-09-01
CH602727A5 (da) 1978-07-31
JPS5940155B2 (ja) 1984-09-28
DK79476A (da) 1976-09-02
FR2303014A1 (fr) 1976-10-01
FR2303014B1 (da) 1978-05-19
US4049659A (en) 1977-09-20

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: MERCK PATENT G.M.B.H.

Effective date: 19960227