RO82173B - Procedeu de obtinere a unor derivati de flavan - Google Patents

Procedeu de obtinere a unor derivati de flavan

Info

Publication number
RO82173B
RO82173B RO104246A RO10424679A RO82173B RO 82173 B RO82173 B RO 82173B RO 104246 A RO104246 A RO 104246A RO 10424679 A RO10424679 A RO 10424679A RO 82173 B RO82173 B RO 82173B
Authority
RO
Romania
Prior art keywords
hydrogen
lower alkyl
halogen
general formula
preparing
Prior art date
Application number
RO104246A
Other languages
English (en)
Other versions
RO82173A (ro
Inventor
John Frederik Batchelor
Denis John Bauer
Harold Francis Hodson
John William Talbot Selway
David Albert Blaker Young
Original Assignee
The Wellcome Foundation Limited
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 The Wellcome Foundation Limited filed Critical The Wellcome Foundation Limited
Publication of RO82173A publication Critical patent/RO82173A/ro
Publication of RO82173B publication Critical patent/RO82173B/ro

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
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/60—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with aryl radicals attached in position 2
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12—Antivirals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/82—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups
    • C07C49/835—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups having unsaturation outside an aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oncology (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Virology (AREA)
  • Communicable Diseases (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pyrane Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Inventia se refera la un procedeu de obtinere a unor derivati de flavan cu formula generala I: (vezi formula) în care R1 reprezinta un radical alchil inferior, halogen, cian, hidrogen, R2 reprezinta un atom de halogen sau hidrogen, R3 reprezinta hidrogen, un radical alchil inferior, metoxi, halogen, trifluormetil, alchilaminoinferior, amina, cian, R4 reprezinta hidrogen, alchilamino inferior, alchil inferior, cu conditia ca atunci cînd R3 si R4 reprezinta ambii atomi de hidrogen, unul din substituentii lui R1 sau R2 sa reprezinte altceva decît hidrogen sau alchil inferior si cu conditia ca cel putin unul dun substituentii lui R1, R2, R3, R4 sa reprezinte hidrogen caracterizat prin reactia dintre un compus cu formula generala II: (vezi formula) în care R1 si R2 au semnificatiile de mai sus, X reprezinta o grupa hidroxi sau un atom de halogen, cu un compus cu formula generala III: (vezi formula) în care R3 si R4 au semnificatiile de mai sus, la temperatura cuprinsa între 150...205 degree C.
RO104246A 1978-03-15 1979-03-14 Procedeu de obtinere a unor derivati de flavan RO82173B (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1025178 1978-03-15

Publications (2)

Publication Number Publication Date
RO82173A RO82173A (ro) 1984-04-02
RO82173B true RO82173B (ro) 1984-04-30

Family

ID=9964425

Family Applications (4)

Application Number Title Priority Date Filing Date
RO7996886A RO78419A (ro) 1978-03-15 1979-03-14 Procedeu de obtinere a unor derivati de flavani
RO111323A RO86258B (ro) 1978-03-15 1979-03-14 Procedeu pentru obtinerea unor derivati mono-, di- si tri-substituiti de flavan
RO104245A RO82526B (ro) 1978-03-15 1979-03-14 Procedeu de obtinere a unor derivati de flavan
RO104246A RO82173B (ro) 1978-03-15 1979-03-14 Procedeu de obtinere a unor derivati de flavan

Family Applications Before (3)

Application Number Title Priority Date Filing Date
RO7996886A RO78419A (ro) 1978-03-15 1979-03-14 Procedeu de obtinere a unor derivati de flavani
RO111323A RO86258B (ro) 1978-03-15 1979-03-14 Procedeu pentru obtinerea unor derivati mono-, di- si tri-substituiti de flavan
RO104245A RO82526B (ro) 1978-03-15 1979-03-14 Procedeu de obtinere a unor derivati de flavan

Country Status (32)

Country Link
US (1) US4461907A (ro)
EP (2) EP0051061A3 (ro)
JP (1) JPS54130575A (ro)
AR (2) AR223478A1 (ro)
AT (1) AT366681B (ro)
AU (1) AU529313B2 (ro)
CA (1) CA1193273A (ro)
CS (1) CS231964B2 (ro)
DD (1) DD142340A5 (ro)
DK (1) DK105379A (ro)
EG (1) EG14189A (ro)
ES (3) ES478605A1 (ro)
FI (1) FI790863A (ro)
GR (1) GR67250B (ro)
HU (2) HU187755B (ro)
IL (1) IL56871A (ro)
IN (2) IN150229B (ro)
IT (1) IT1116848B (ro)
MC (1) MC1254A1 (ro)
MY (1) MY8500223A (ro)
NO (3) NO154167C (ro)
NZ (1) NZ189906A (ro)
OA (1) OA06289A (ro)
PH (1) PH18415A (ro)
PL (3) PL121969B1 (ro)
PT (1) PT69349A (ro)
RO (4) RO78419A (ro)
SU (3) SU1072805A3 (ro)
YU (3) YU61679A (ro)
ZA (1) ZA791198B (ro)
ZM (1) ZM2479A1 (ro)
ZW (1) ZW5979A1 (ro)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ193316A (en) * 1979-04-10 1984-07-31 Hoffmann La Roche 3-alkoxyflavone derivatives and pharmaceutical compositions
US4588733A (en) * 1984-10-19 1986-05-13 Merrell Dow Pharmaceuticals Inc. 2-phenylpyrano[2,3-b]pyridines and their use in inhibiting viruses
US4758679A (en) * 1986-07-18 1988-07-19 Pennwalt Corporation Preparation of 7-(3-(propylamino)-2-hydroxypropoxy)flavone
LU86715A1 (fr) * 1986-12-16 1988-07-14 Oreal Composition cosmetique contenant des derives hydroxyles de chalcone et son utilisation pour la protection de la peau et des cheveux contre les radiations lumineuses,nouveaux derives hydroxyles de chalcone utilises et leur procede de preparation
KR0139296B1 (ko) * 1988-11-21 1998-05-15 가와무라 시게꾸니 칼콘 유도체 및 그 제조 방법
US5063244A (en) * 1990-07-30 1991-11-05 Development Center For Biotechnology Process for the isolation of antifungal agents (5-methoxy-7-hydroxyflavan) from dragon's blood resin and its use in agriculture
US5276058A (en) * 1993-06-09 1994-01-04 Nippon Hypox Laboratories Incorporated 3,4-dihydroxychalcone derivatives
IL118657A0 (en) * 1996-06-14 1996-10-16 Arad Dorit Inhibitors for picornavirus proteases
IL122591A0 (en) 1997-12-14 1998-06-15 Arad Dorit Pharmaceutical compositions comprising cystein protease inhibitors
WO2001003681A2 (en) 1999-07-08 2001-01-18 Prendergast Patrick T Use of flavones, coumarins and related compounds to treat infections
US6677350B1 (en) * 1999-09-22 2004-01-13 Advanced Life Sciences, Inc. Beta-fluoroethyl thiourea compounds and use
JP4742215B2 (ja) * 2003-06-23 2011-08-10 Ｊｎｃ株式会社 クロマン化合物、この化合物を含有する液晶組成物およびこの液晶組成物を含有する液晶表示素子
US7429411B2 (en) * 2003-06-23 2008-09-30 Chisso Petrochemical Corporation Chroman compound, liquid crystal composition including the compound and liquid crystal display element including the liquid crystal composition
PL1748767T3 (pl) 2004-05-28 2012-08-31 Unigen Inc 1-(3-metylo-2,4-dimetoksyfenylo)-3-(2',4'-dihydroksyfenylo)-propan jako silny inhibitor tyrozynazy
KR101233223B1 (ko) * 2004-12-21 2013-02-14 제이엔씨 석유 화학 주식회사 크로만환을 가지는 액정 화합물, 액정 조성물 및 이 액정조성물을 함유하는 액정 표시소자
JP5126942B2 (ja) * 2006-12-26 2013-01-23 静岡県公立大学法人 ５，７−ジデオキシエピガロカテキンガレート、その製法及び抗インフルエンザウイルス剤
CN105283179A (zh) * 2013-04-04 2016-01-27 斯法尔制药私人有限公司 表儿茶素及相关多酚的新类似物

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1518006A1 (de) * 1951-01-28 1969-01-16 Merck Ag E Verfahren zur Herstellung von wasserloeslichen Flavanoidderivaten
FR1221869A (fr) * 1959-01-15 1960-06-07 Coupin Lab Procédé de préparation de dérivés solubles dans l'eau à partir des glucosides flavanoniques
ES265050A1 (es) * 1960-02-23 1961-06-16 Orsymonde Ltd Procedimiento de preparación de derivados insaturados de la trihidroxiacetofenona
CH473114A (de) * 1963-08-28 1969-05-31 Merck Ag E Verfahren zur Herstellung von substituierten Flavanoiden
DE1493976C3 (de) * 1964-01-18 1973-09-13 Merck Patent Gmbh, 6100 Darmstadt Substituierte Flavandenvate sowie Verfahren zu ihrer Herstellung
US3499763A (en) * 1967-05-01 1970-03-10 Ibm Bis phenols as high opacity diazotype couplers
FR1583930A (ro) * 1968-06-27 1969-12-05
GB1283981A (en) * 1969-03-05 1972-08-02 Orsymonde 2,4,6-trihydroxy chalcone derivatives
US3678044A (en) * 1970-10-22 1972-07-18 Chevron Res Substituted flavanones
NZ192641A (en) * 1979-01-26 1984-10-19 Hoffmann La Roche Substituted acetophenones and pharmaceutical compositions

Also Published As

Publication number Publication date
SU991948A3 (ru) 1983-01-23
DK105379A (da) 1979-09-16
SU1072805A3 (ru) 1984-02-07
IL56871A0 (en) 1979-05-31
ES478605A1 (es) 1980-01-16
AU529313B2 (en) 1983-06-02
ES482787A1 (es) 1980-08-01
RO78419A (ro) 1982-03-24
JPS54130575A (en) 1979-10-09
RO86258A (fr) 1985-03-15
GR67250B (ro) 1981-06-25
HUT35173A (en) 1985-06-28
IN151598B (ro) 1983-06-04
NO154167C (no) 1986-07-30
AU4510879A (en) 1979-09-20
IT1116848B (it) 1986-02-10
FI790863A (fi) 1979-09-16
EP0051061A3 (en) 1982-06-09
NO840627L (no) 1979-09-18
IT7948347A0 (it) 1979-03-14
IL56871A (en) 1986-02-28
PH18415A (en) 1985-06-24
NO840626L (no) 1979-09-18
CS231964B2 (en) 1985-01-16
IN150229B (ro) 1982-08-21
AR225175A1 (es) 1982-02-26
AT366681B (de) 1982-04-26
YU271582A (en) 1983-02-28
DD142340A5 (de) 1980-06-18
PL214115A1 (ro) 1980-06-16
ZM2479A1 (en) 1981-01-21
MY8500223A (en) 1985-12-31
YU271482A (en) 1983-02-28
RO86258B (ro) 1985-03-31
US4461907A (en) 1984-07-24
OA06289A (fr) 1981-06-30
RO82173A (ro) 1984-04-02
ZA791198B (en) 1980-11-26
EP0004579B1 (en) 1982-08-18
EG14189A (en) 1984-09-30
ES482788A1 (es) 1980-09-01
ATA191879A (de) 1981-09-15
EP0004579A1 (en) 1979-10-17
YU61679A (en) 1983-02-28
AR223478A1 (es) 1981-08-31
CA1193273A (en) 1985-09-10
PL122049B1 (en) 1982-06-30
PT69349A (en) 1979-04-01
RO82526B (ro) 1984-11-30
SU986296A3 (ru) 1982-12-30
MC1254A1 (fr) 1980-01-14
NO154167B (no) 1986-04-21
NZ189906A (en) 1985-07-31
PL121969B1 (en) 1982-06-30
ZW5979A1 (en) 1980-10-15
RO82526A (ro) 1984-10-31
EP0051061A2 (en) 1982-05-05
HU187755B (en) 1986-02-28
NO790871L (no) 1979-09-18

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