HUT49323A - Process for producing azometin derivatives - Google Patents

Process for producing azometin derivatives

Info

Publication number
HUT49323A
HUT49323A HU111288A HU111288A HUT49323A HU T49323 A HUT49323 A HU T49323A HU 111288 A HU111288 A HU 111288A HU 111288 A HU111288 A HU 111288A HU T49323 A HUT49323 A HU T49323A
Authority
HU
Hungary
Prior art keywords
formula
azometin
derivatives
producing
dimethyl
Prior art date
Application number
HU111288A
Other languages
Hungarian (hu)
Other versions
HU200320B (en
Inventor
Pal Benko
Laszlo Levai
Gyula Mikite
Peter Toempe
Daniel Bozsing
Lax Gyoergyi Kovanyine
Istvanne Dinnyes
Eva Poczik
Original Assignee
Egyt Gyogyszervegyeszeti Gyar
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 by Egyt Gyogyszervegyeszeti Gyar filed Critical Egyt Gyogyszervegyeszeti Gyar
Priority to HU881112A priority Critical patent/HU200320B/en
Priority to GR890100133A priority patent/GR1002248B/en
Priority to CH799/89A priority patent/CH677490A5/de
Priority to YU46689A priority patent/YU47689B/en
Priority to SU894613641A priority patent/SU1766254A3/en
Priority to GB8905270A priority patent/GB2216521B/en
Priority to FR8903043A priority patent/FR2628421B1/en
Priority to JP1053968A priority patent/JPH01316358A/en
Priority to CS891454A priority patent/CZ285313B6/en
Priority to CA000593128A priority patent/CA1340193C/en
Priority to DE3907508A priority patent/DE3907508A1/en
Priority to DK113189A priority patent/DK113189A/en
Priority to FI891111A priority patent/FI92056C/en
Priority to SE8900813A priority patent/SE469659B/en
Priority to KR1019890002844A priority patent/KR0131338B1/en
Priority to BE8900247A priority patent/BE1003199A5/en
Priority to NL8900569A priority patent/NL8900569A/en
Priority to IT8919690A priority patent/IT1229088B/en
Priority to PL1989278134A priority patent/PL159098B1/en
Priority to ES8900848A priority patent/ES2012687A6/en
Priority to US07/321,293 priority patent/US5126457A/en
Priority to IL89536A priority patent/IL89536A0/en
Priority to AT0052589A priority patent/AT395586B/en
Priority to AU31129/89A priority patent/AU615521B2/en
Publication of HUT49323A publication Critical patent/HUT49323A/en
Publication of HU200320B publication Critical patent/HU200320B/en
Priority to US07/686,443 priority patent/US5216157A/en
Priority to GB9108770A priority patent/GB2243608B/en
Priority to AT0133791A priority patent/AT399872B/en
Priority to AT0133991A priority patent/AT399873B/en
Priority to AT0133891A priority patent/AT400241B/en
Priority to CY176094A priority patent/CY1760A/en

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogenated Pyridines (AREA)

Abstract

(A)2-Nitrobenzylideneamine cpds. of formula (Ia) and trimers of formula (Ib) are new, where R=H or a gp. of formula R1 or R2. - Prodn. of dimethyl 1,4-dihydro-2,6-dimethyl-4 -(2-nitrophenyl)-3,5 -pyridinedicarboxylate of formula (II) is effected by (a) reacting (Ia) or (Ib) with methyl acetoacetate (III) in an inert solvent, opt. in the presence of methyl 3-aminocrotonate (IV), NH4X (X= 1-5C alkanoate, 1/2 CO3 2-, HCO3- or OH-) or NH3; or (b) reacting 2-nitrobenzaldehyde (V) with aq. NH4OH at 101-120 deg.C and 2-6 bar.
HU881112A 1988-03-08 1988-03-08 Process for production of derivatives of azometine HU200320B (en)

Priority Applications (30)

Application Number Priority Date Filing Date Title
HU881112A HU200320B (en) 1988-03-08 1988-03-08 Process for production of derivatives of azometine
GR890100133A GR1002248B (en) 1988-03-08 1989-02-28 1,4-dihydropyridine derivatives preparation method
CH799/89A CH677490A5 (en) 1988-03-08 1989-03-03
YU46689A YU47689B (en) 1988-03-08 1989-03-06 PROCEDURE FOR THE CORRECTION OF 1,4-DIHYDRO-PYRIDINE DERIVATIVES
SU894613641A SU1766254A3 (en) 1988-03-08 1989-03-07 Method for synthesis of 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-pyridine-3,5-dicarboxylic acid dimethyl ester
BE8900247A BE1003199A5 (en) 1988-03-08 1989-03-08 PROCESS FOR THE PREPARATION OF 1,4-DIHYDROPYRIDINE DERIVATIVES AND TO NEW INTERMEDIATES USEFUL FOR THIS PREPARATION.
PL1989278134A PL159098B1 (en) 1988-03-08 1989-03-08 Method of obtaining derivatives of 1,4-dihydropyridine
JP1053968A JPH01316358A (en) 1988-03-08 1989-03-08 Production of 1,4-dihydropyridine derivative
CS891454A CZ285313B6 (en) 1988-03-08 1989-03-08 Process for preparing dimethyl-1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate
CA000593128A CA1340193C (en) 1988-03-08 1989-03-08 Process for preparing dihydropyridine derivatives
DE3907508A DE3907508A1 (en) 1988-03-08 1989-03-08 PROCESS AND INTERMEDIATE PRODUCTS, IF N N SUBSTITUTED, (2- (NITRO) -PHENYL) METHYLENIMINE FOR THE PRODUCTION OF 1,4-DI- (HYDRO) -2,6-DI- (METHYL) -4- (2 '- ( NITRO) -PHENYL) -PYRIDINE-3,5-DI- (CARBONIC ACID DIMETHYL ESTER) AND METHOD FOR PRODUCING THIS INTERMEDIATE PRODUCTS
DK113189A DK113189A (en) 1988-03-08 1989-03-08 PROCEDURE FOR THE PREPARATION OF PYRIDINE DERIVATIVES
FI891111A FI92056C (en) 1988-03-08 1989-03-08 Process for the preparation of 1,4-dihydropyridine derivatives
SE8900813A SE469659B (en) 1988-03-08 1989-03-08 PROCEDURES FOR THE PREPARATION OF 1,4-DIHYDROPYRIDINE DERIVATIVES
KR1019890002844A KR0131338B1 (en) 1988-03-08 1989-03-08 1,4, dihydro-pyridine intermediates
GB8905270A GB2216521B (en) 1988-03-08 1989-03-08 Process for the preparation of 1,4-dihydro-pyridine derivatives
NL8900569A NL8900569A (en) 1988-03-08 1989-03-08 PROCESS FOR THE PREPARATION OF 1,4-DIHYDRO-PYRIDINE DERIVATIVES.
IT8919690A IT1229088B (en) 1988-03-08 1989-03-08 Prodn. of 1,4-di:hydro-pyridine deriv.
FR8903043A FR2628421B1 (en) 1988-03-08 1989-03-08 PROCESS FOR THE PREPARATION OF 1,4-DIHYDROPYRIDINE DERIVATIVES AND NOVEL INTERMEDIATES USEFUL FOR THIS PREPARATION
ES8900848A ES2012687A6 (en) 1988-03-08 1989-03-08 Process for the preparation of 1,4-dihydro-pyridine derivatives
US07/321,293 US5126457A (en) 1988-03-08 1989-03-08 Process for the preparation of 1,4-dihydro-pyridine derivatives
IL89536A IL89536A0 (en) 1988-03-08 1989-03-08 Preparation of 1,4-dihydropyridine derivatives
AT0052589A AT395586B (en) 1988-03-08 1989-03-08 METHOD FOR PRODUCING A 1,4-DIHYDRO-PYRIDINE DERIVATE
AU31129/89A AU615521B2 (en) 1988-03-08 1989-03-08 Compounds used in the preparation of nifedipine
US07/686,443 US5216157A (en) 1988-03-08 1991-04-17 1,4,Dihydro-pyridine intermediates
GB9108770A GB2243608B (en) 1988-03-08 1991-04-24 Process for the preparation of 1,4-dihydro-pyridine derivatives
AT0133791A AT399872B (en) 1988-03-08 1991-07-04 Prodn. of 1,4-di:hydro-pyridine deriv. - by reacting new 2-nitro-benzylidne-amine cpds. with methyl actoacetate, used for treating hypertension
AT0133991A AT399873B (en) 1988-03-08 1991-07-04 Process for the preparation of a 1,4-dihydropyridine derivative
AT0133891A AT400241B (en) 1988-03-08 1991-07-04 Process for the preparation of a 1,4-dihydropyridine derivative
CY176094A CY1760A (en) 1988-03-08 1994-07-15 Process for the preparation of 1,4-dihydropyridine derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU881112A HU200320B (en) 1988-03-08 1988-03-08 Process for production of derivatives of azometine

Publications (2)

Publication Number Publication Date
HUT49323A true HUT49323A (en) 1989-09-28
HU200320B HU200320B (en) 1990-05-28

Family

ID=10952897

Family Applications (1)

Application Number Title Priority Date Filing Date
HU881112A HU200320B (en) 1988-03-08 1988-03-08 Process for production of derivatives of azometine

Country Status (1)

Country Link
HU (1) HU200320B (en)

Also Published As

Publication number Publication date
HU200320B (en) 1990-05-28

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HC9A Change of name, address

Owner name: EGIS GYOGYSZERGYAR NYRT., HU

Free format text: FORMER OWNER(S): EGIS GYOGYSZERGYAR, HU