ES8304130A1 - Manufacture of pyrido-(2,3-b)-(1,4)-benzodiazepines - Google Patents

Manufacture of pyrido-(2,3-b)-(1,4)-benzodiazepines

Info

Publication number
ES8304130A1
ES8304130A1 ES511647A ES511647A ES8304130A1 ES 8304130 A1 ES8304130 A1 ES 8304130A1 ES 511647 A ES511647 A ES 511647A ES 511647 A ES511647 A ES 511647A ES 8304130 A1 ES8304130 A1 ES 8304130A1
Authority
ES
Spain
Prior art keywords
pyrido
benzodiazepines
manufacture
image
dehydration
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES511647A
Other languages
Spanish (es)
Other versions
ES511647A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRC Compagnie di Ricerca Chimica SpA
Original Assignee
CRC Compagnie di Ricerca Chimica SpA
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 CRC Compagnie di Ricerca Chimica SpA filed Critical CRC Compagnie di Ricerca Chimica SpA
Publication of ES8304130A1 publication Critical patent/ES8304130A1/en
Publication of ES511647A0 publication Critical patent/ES511647A0/en
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic 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
    • C07D471/02—Heterocyclic 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
    • C07D471/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/68—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D211/72—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D211/74—Oxygen atoms
    • C07D211/76—Oxygen atoms attached in position 2 or 6

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

The invention relates to the preparation of pyrido[2,3-b]- [1,4]benzodiazepinone of the following formula (I): < IMAGE > by dehydration of the compound of the formula (II): < IMAGE > with metal catalysts and by means of other known dehydration systems.
ES511647A 1981-04-24 1982-04-23 "PROCEDURE FOR THE PREPARATION OF THE PIRIDO- (2,3-B) - (1,4) -BENZODIACEPIN-6-ONA". Granted ES511647A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8121352A IT1211027B (en) 1981-04-24 1981-04-24 PINA PROCEDURE FOR THE PREPARATION OF _ A PYRID- [2,3-B] [1,4] BENZODIAZE

Publications (2)

Publication Number Publication Date
ES8304130A1 true ES8304130A1 (en) 1983-03-01
ES511647A0 ES511647A0 (en) 1983-03-01

Family

ID=11180527

Family Applications (1)

Application Number Title Priority Date Filing Date
ES511647A Granted ES511647A0 (en) 1981-04-24 1982-04-23 "PROCEDURE FOR THE PREPARATION OF THE PIRIDO- (2,3-B) - (1,4) -BENZODIACEPIN-6-ONA".

Country Status (7)

Country Link
JP (1) JPS57183790A (en)
DE (1) DE3211973A1 (en)
ES (1) ES511647A0 (en)
GR (1) GR75993B (en)
IT (1) IT1211027B (en)
NL (1) NL8201587A (en)
SE (1) SE8202067L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL97249A (en) * 1990-02-23 1995-01-24 Takeda Chemical Industries Ltd 4,5,6,7- Tetrahydrothiazolo (5,4-b) pyridine and 5,6-dihydro-4h pyrrolo (3,2-d) thiazolo compounds, their production and pharmaceutical compositions containing them

Also Published As

Publication number Publication date
IT8121352A0 (en) 1981-04-24
SE8202067L (en) 1982-10-25
ES511647A0 (en) 1983-03-01
JPS57183790A (en) 1982-11-12
GR75993B (en) 1984-08-03
DE3211973A1 (en) 1982-11-11
IT1211027B (en) 1989-09-29
NL8201587A (en) 1982-11-16

Similar Documents

Publication Publication Date Title
IL65292A (en) Preparation of 1alpha-hydroxy-5,6-trans-vitamin d compounds
ES464044A1 (en) Method for 6-bromination of 1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine compounds
ES468721A1 (en) Dipyrido [4,3-b] [3,4-f] indoles and process for obtaining them
PT76632A (en) Process for the preparation of 1-alkyl-1,2,3,4,5,6-hexahydro-azepine &lt;4,5-b&gt; indoles
ES538125A0 (en) PROCEDURE FOR THE PREPARATION OF CIS DERIVATIVES HIDROXIIMINOOCTAHIDROINDOLO (2,3-A) QUINOLIZINA RACEMICOS
PT75240B (en) Process for the preparation of substituted thiazolo &lt;3,2-a&gt;pyrimidines
ES8300320A1 (en) Zinc retinoate, its preparation and the topic compositions containing it.
ES8304130A1 (en) Manufacture of pyrido-(2,3-b)-(1,4)-benzodiazepines
IL66305A0 (en) Preparation of 1-substituted-3,4-diphenyl-5-methyl-pyrazoles
GR82028B (en)
IE46258L (en) Pyridoquinazolinones
ES8602951A1 (en) New derivative of fructose, its preparation and its uses.
AU548371B2 (en) Polycyclic linked system containing hetero rings having oxygen atoms (derivatives of m.139,603)
PH21971A (en) Intermediates for the preparation of aryl substituted pyrido (i,4) benzodiazepines
DE3267898D1 (en) Process for the preparation of n,n&#39;-disubstituted 3-amino-propanamides
ES8400401A1 (en) Process for producing substituted pyrroles.
AU558004B2 (en) Glucamine salt of thieno(2,3-d)-pyrimidine-2-carboxylic
ES8504824A1 (en) Process and intermediates for sultamicillin and analogs.
JPS57167984A (en) Manufacture of 11-(2&#39;-substituted)acetyl- 5, 11-dihydro-6h-pyrido-(2,3-b)(1,4)- benzodiazepine-6-one or acid addition salt of same
DE3461189D1 (en) New 3-alkylthio-2-o-carbamoyl-propane-1.2-diol-1-o-phosphocholines, and processes for their preparation
ES513293A0 (en) &#34;PROCEDURE FOR THE PREPARATION OF 5,11-DIHIDRO-6H-PIRIDO 2,3-B I, 4 BENZODIAZEPIN-6-ONAS&#34;.
PT72710B (en) Process for the preparation of imidazo&lt;4,5-b&gt;pyridine derivati-ves useful as cardiotonics
ES8601931A1 (en) Azoles with enol-ether structure, their preparation and use.
AU547823B2 (en) Preparation of 2,4-diamino-5-3:,4:,5:-tri-methoxy- benzyl-pyrimidine
JPS5334796A (en) Novel 3-b-d-ribofuranosyl-3,6,7,8-tetra imidazo 4,5-d (isocoformycin)