IL41374A - Process for the production of 4-(1-alkyl-4-piperidylidene)-4h-benzo(4,5)cyclohepta(1,2-b)thiophen-10(9h)-ones and intermediates therefor - Google Patents

Process for the production of 4-(1-alkyl-4-piperidylidene)-4h-benzo(4,5)cyclohepta(1,2-b)thiophen-10(9h)-ones and intermediates therefor

Info

Publication number
IL41374A
IL41374A IL41374A IL4137473A IL41374A IL 41374 A IL41374 A IL 41374A IL 41374 A IL41374 A IL 41374A IL 4137473 A IL4137473 A IL 4137473A IL 41374 A IL41374 A IL 41374A
Authority
IL
Israel
Prior art keywords
compound
formula
process according
benzo
alkyl
Prior art date
Application number
IL41374A
Other versions
IL41374A0 (en
Original Assignee
Sandoz Ag
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.)
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Publication date
Application filed by Sandoz Ag filed Critical Sandoz Ag
Publication of IL41374A0 publication Critical patent/IL41374A0/en
Publication of IL41374A publication Critical patent/IL41374A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D409/00Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
    • C07D409/02Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
    • C07D409/04Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00Drugs for immunological or allergic disorders
    • A61P37/08Antiallergic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/78Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems condensed with rings other than six-membered or with ring systems containing such rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/78Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems condensed with rings other than six-membered or with ring systems containing such rings
    • C07D333/80Seven-membered rings

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Immunology (AREA)
  • Pulmonology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Hydrogenated Pyridines (AREA)

Abstract

1422443 Benzocycloheptathiophene derivatives SANDOZ Ltd 22 Jan 1973 [24 Jan 1972] 3119/73 Heading C2C A process for the production of benzocycloheptathiophene derivatives of the formula wherein R 1 is hydrogen, chlorine, bromine or (C 1 -C 4 ) alkoxy attached in the 6- or 7-position, and R 2 is (C 1 -C 4 )alkyl, comprises dehydrating a compound of the formula the starting material may be obtained by reacting a compound of the formula wherein X is chlorine or bromine, with an alcohol of the formula : R 3 OH wherein R 3 is (C 1 -C 4 ) alkyl, to give a compound of the formula splitting off the acid HX to give a compound of the formula reacting this compound with a Grignard reagent of the formula wherein Hal is chlorine, bromine or iodine, to give a compound of the formula and hydrolysing the enol ether group. [GB1422443A]

Claims (6)

1. 41374-2 - 17 - 100-3680 CLAIMS; 1. A compound of formula XII, 9 10 wherein is in the 6 or 7 position of the benzo- cycloheptathiophene nucleus and is hydrogen, chlorine, bromine or alkoxy of 1 to 4 carbon atoms, and is alkyl of 1 to 4 carbon atoms, and 9 10 9 10 A - B is -CH2.C0- or -CH=C(0R3)- , wherein is alkyl of 1 to 4 carbon atoms .
2. A process for the production of a compound formula I, R , - 18 - 41374/3 wherein and R2 are as defined in claim 1, comprising dehydrating a compound of formula XII, defined in claim 1, and hydrolysing any enol ether' moiety present in the compound of formula XII. ^
3. A process according to claim 2 carried out using a strong aqueous acid.
4. A process according to claim 2 or 3, wherein the compound of formula XII used as starting material is a compound of the formula VII, wherein R^, R2 and R3 are as defined in claim 1.
5. A process according to claim 4, wherein the starting material of formula VII is produced by reacting a compound of formula V, 'wherein ^ and ^ are as defined, being in the 6 or 7 position of the benzo- . cycloheptathiophene nucleus, 41374-2 ¾ - 19 - 100-3680 with a compound of formula VI, wherein R~ is as defined, and Hal is chlorine, bromine or iodine, under Grignard conditions. 5. A process according to Claim 4, v/herein the compound of formula V is produced by splitting off the acid HX, wherein X is chlorine or bromine, from a compound of formula IV, wherein R^, ^ and X are as defined, R^ being in the 6 or 7 position of the benzo- cycloheptathiophene nucleus .
6. A process according to Claim 5, wherein the compounds of formula IV are produced by reacting a compound of formula II, 41374/3 - 20 - wherein R^ and X are as defined, being in the 6 or 7 position of the bonzo- cyclohepta hiophene nucleus with a compound of . formula III, v/herein R-, is as defined. 8* A process according to Claim 7, substantial as described herein with- reference to the Examples. 9. A process for the production of a compound of formula I, as defined in claim 2, substantially as hereinbefore defined with reference to Example 1. lO . A process according to any one of claims 2 to 9, wherein R. is hydrogen and R^ is methyl. 11." " A "Compoun -o- - - ormul-a—I--w enever. by a process as claimed in any one of claims 2 to 12. A compound of formula XII defined in claim 1, wherein A-B is -CH=C(0R3)-. 13. A compound of formula XII defined in claim 1, wherein A-B is -CH9rC0-'. - 21 - 41374/3 14. A compound of any one of claims 1, 11, 12 or 13, wherein is hydrogen and 1*2 is methyl. 15. 10-Methoxy-4- (l-methyl-4-piperldyl) -4H-benzo [4,5]cyclohepta[1,2]thiophen-4-ol. For the Ap
IL41374A 1972-01-24 1973-01-23 Process for the production of 4-(1-alkyl-4-piperidylidene)-4h-benzo(4,5)cyclohepta(1,2-b)thiophen-10(9h)-ones and intermediates therefor IL41374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH98572A CH568312A5 (en) 1972-01-24 1972-01-24

Publications (2)

Publication Number Publication Date
IL41374A0 IL41374A0 (en) 1973-03-30
IL41374A true IL41374A (en) 1976-08-31

Family

ID=4199789

Family Applications (1)

Application Number Title Priority Date Filing Date
IL41374A IL41374A (en) 1972-01-24 1973-01-23 Process for the production of 4-(1-alkyl-4-piperidylidene)-4h-benzo(4,5)cyclohepta(1,2-b)thiophen-10(9h)-ones and intermediates therefor

Country Status (29)

Country Link
JP (2) JPS566997B2 (en)
KR (1) KR780000049B1 (en)
AR (1) AR202094A1 (en)
AT (1) AT334897B (en)
AU (1) AU477308B2 (en)
BE (1) BE794370A (en)
CA (1) CA1006523A (en)
CH (1) CH568312A5 (en)
CS (1) CS183674B2 (en)
DD (1) DD104084A5 (en)
DE (2) DE2302970C3 (en)
DK (2) DK154296C (en)
ES (1) ES410855A1 (en)
FI (1) FI60396C (en)
FR (2) FR2169091B1 (en)
GB (2) GB1422443A (en)
HK (1) HK53480A (en)
HU (1) HU164966B (en)
IE (1) IE38148B1 (en)
IL (1) IL41374A (en)
LU (1) LU66876A1 (en)
NL (1) NL178970C (en)
NO (1) NO136978C (en)
PL (1) PL83921B1 (en)
RO (1) RO63566A (en)
SE (1) SE395696B (en)
SU (1) SU509237A3 (en)
YU (1) YU36173B (en)
ZA (1) ZA73494B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8377967B2 (en) 2008-01-30 2013-02-19 Nippon Zoki Pharmaceutical Co., Ltd. Piperidine derivative
TWI457341B (en) * 2008-08-01 2014-10-21 Nippon Zoki Pharmaceutical Co Aminopropyl derivative
JP5083989B2 (en) * 2008-11-20 2012-11-28 日本臓器製薬株式会社 Medicaments containing piperidine derivatives
CN104817532B (en) * 2015-03-04 2017-07-25 浙江工业大学 A kind of preparation method of the ketone of 10 methoxyl group 4H benzos [4,5] cycloheptatriene [1,2 b] thiazole 4

Also Published As

Publication number Publication date
DD104084A5 (en) 1974-02-20
DE2302970C3 (en) 1982-03-18
AU5137873A (en) 1974-07-25
FR2401153B1 (en) 1983-01-14
FI60396B (en) 1981-09-30
NO136978C (en) 1977-12-07
LU66876A1 (en) 1973-07-27
ZA73494B (en) 1974-09-25
NL178970C (en) 1986-06-16
HU164966B (en) 1974-05-28
JPS5716109B2 (en) 1982-04-02
DK154296C (en) 1989-04-03
DK555680A (en) 1980-12-29
DE2302970B2 (en) 1981-06-25
BE794370A (en) 1973-07-23
NL178970B (en) 1986-01-16
NO136978B (en) 1977-08-29
FR2169091B1 (en) 1979-06-29
CS183674B2 (en) 1978-07-31
DK161324C (en) 1991-12-09
FR2169091A1 (en) 1973-09-07
DE2366394C1 (en) 1983-01-20
YU36173B (en) 1982-02-25
NL7300797A (en) 1973-07-26
IL41374A0 (en) 1973-03-30
JPS4881869A (en) 1973-11-01
YU17873A (en) 1981-06-30
GB1422443A (en) 1976-01-28
FR2401153A1 (en) 1979-03-23
RO63566A (en) 1978-08-15
IE38148L (en) 1973-07-24
JPS55129282A (en) 1980-10-06
AU477308B2 (en) 1976-10-21
ATA47873A (en) 1976-06-15
JPS566997B2 (en) 1981-02-14
DK161324B (en) 1991-06-24
FI60396C (en) 1982-01-11
CA1006523A (en) 1977-03-08
DK238090A (en) 1990-10-02
SU509237A3 (en) 1976-03-30
AR202094A1 (en) 1975-05-15
SE395696B (en) 1977-08-22
IE38148B1 (en) 1978-01-04
GB1422444A (en) 1976-01-28
DE2302970A1 (en) 1973-08-02
DK154296B (en) 1988-10-31
PL83921B1 (en) 1976-02-28
ES410855A1 (en) 1976-03-01
DK238090D0 (en) 1990-10-02
CH568312A5 (en) 1975-10-31
KR780000049B1 (en) 1978-03-16
HK53480A (en) 1980-10-03
AT334897B (en) 1977-02-10

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