CA1262139A - Process for the preparation of 2,3- dihydrobenzopyranone derivatives - Google Patents

Process for the preparation of 2,3- dihydrobenzopyranone derivatives

Info

Publication number
CA1262139A
CA1262139A CA000460322A CA460322A CA1262139A CA 1262139 A CA1262139 A CA 1262139A CA 000460322 A CA000460322 A CA 000460322A CA 460322 A CA460322 A CA 460322A CA 1262139 A CA1262139 A CA 1262139A
Authority
CA
Canada
Prior art keywords
formula
compound
hydrogen
alkyl
process according
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
CA000460322A
Other languages
English (en)
French (fr)
Inventor
Lucio Merlini
Anna Arnoldi
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.)
Pfizer Italia SRL
Original Assignee
Farmitalia Carlo Erba SRL
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 Farmitalia Carlo Erba SRL filed Critical Farmitalia Carlo Erba SRL
Application granted granted Critical
Publication of CA1262139A publication Critical patent/CA1262139A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/74—Benzo[b]pyrans, hydrogenated in the carbocyclic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
CA000460322A 1983-08-15 1984-08-03 Process for the preparation of 2,3- dihydrobenzopyranone derivatives Expired CA1262139A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8321943 1983-08-15
GB838321943A GB8321943D0 (en) 1983-08-15 1983-08-15 Preparation of 2,3-dihydro-benzopyranone derivatives

Publications (1)

Publication Number Publication Date
CA1262139A true CA1262139A (en) 1989-10-03

Family

ID=10547327

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000460322A Expired CA1262139A (en) 1983-08-15 1984-08-03 Process for the preparation of 2,3- dihydrobenzopyranone derivatives

Country Status (6)

Country Link
AT (1) ATA258784A (it)
CA (1) CA1262139A (it)
DK (1) DK389484A (it)
FI (1) FI842972A (it)
GB (2) GB8321943D0 (it)
IT (1) IT1179508B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449794A (en) * 1991-02-15 1995-09-12 Jasmine Fockerman Benzopyran phenol derivatives for use as antibacterial agents
US5591771A (en) * 1991-12-17 1997-01-07 Michel Fockerman Use of propolis components as an adjuvant
US5861430A (en) * 1991-12-17 1999-01-19 Jasmine Fockerman Benzopyran phenol derivates for use as antibacterial, antiviral or immunostimulating agents
CN104262308B (zh) * 2014-08-06 2016-02-24 云南中烟工业有限责任公司 一种骈六元环联苯类化合物及其制备方法和应用

Also Published As

Publication number Publication date
GB2145082B (en) 1987-03-04
GB2145082A (en) 1985-03-20
FI842972A0 (fi) 1984-07-26
GB8419581D0 (en) 1984-09-05
FI842972A (fi) 1985-02-16
IT1179508B (it) 1987-09-16
DK389484A (da) 1985-02-16
ATA258784A (de) 1990-06-15
IT8422058A0 (it) 1984-07-26
DK389484D0 (da) 1984-08-13
GB8321943D0 (en) 1983-09-14

Similar Documents

Publication Publication Date Title
SU764610A3 (ru) Способ получени производных 2-ароил-3-фенилбензотиофенов или их солей
US4328230A (en) N-Substituted-quinolin-4-one-2-carboxic acid derivatives
US4767882A (en) Tetrahydronaphthalene derivatives and their production
US5266711A (en) Process for the preparation of 3-benzoyl benzofuran derivatives
CA1262139A (en) Process for the preparation of 2,3- dihydrobenzopyranone derivatives
US3960856A (en) Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2-benzothiazine 1,1-dioxide
EP1699772B1 (en) Process for the preperation of n-alkyl-2(hydroxy-4 benzoyl)-3 benzofurans and its intermediates thereof
CA1150289A (en) Preparation of 2,3-dihydro-2,2-dimethyl-7- hydroxy benzofuran
CA1076561A (en) Process for the preparation of optically active anthracyclinones
CA1059139A (en) Preparation of ethylamine derivatives
Jurd Quinones and quinone methides. III. A novel side-chain amination reaction of 2-(1-Phenylethyl)-1, 4-benzoquinones
US4221716A (en) Intermediate and process for the preparation of 7-acylindolin-2-ones
KR100341556B1 (ko) 알릴퀴논유도체의제조방법및그중간체
US4182720A (en) Process for the preparation of homogentisic lactone
US3812194A (en) Novel process for preparing 6-halo-3-methylphenols
Kwiecień et al. Benzofuran systems. Synthesis and biological examination of 1‐(3‐benzofuranyl)‐2‐phenylethanones
US5821387A (en) Polyarenes from aryl ketones with application to synthesis of crisnatol mesylate
Chen et al. Photohydrodimerization of 6‐Methoxyflavone to 6, 6 ″‐Dimethoxy‐2, 2 ″‐Biflavanones
US4272440A (en) Intermediates for preparing hydroxyphenylpyridazinones
JPS6289660A (ja) ４−オキソ−４，５，６，７−テトラヒドロインド−ルの製法
KR810000557B1 (ko) 치오크로만 유도체류의 제조공정
EP0912538A1 (en) Process for preparing 2,3-dihydro-2-methyl-2-alkylbenzofuran derivatives
US4260544A (en) Halogenomethylene-indoxyls
SU1576524A1 (ru) Способ получени производных тетралона-2
CA1151659A (en) Producing 7-alkoxycarbonyl-6,8-dimethyl-4- hydroxymethyl-1-phthalazone and intermediates

Legal Events

Date Code Title Description
MKLA Lapsed