ES521444A0 - Un metodo para preparar espiro-(mono- y difluorofluoren-9,4-imidazolidin)-2,5'-dionas. - Google Patents

Un metodo para preparar espiro-(mono- y difluorofluoren-9,4-imidazolidin)-2,5'-dionas.

Info

Publication number
ES521444A0
ES521444A0 ES521444A ES521444A ES521444A0 ES 521444 A0 ES521444 A0 ES 521444A0 ES 521444 A ES521444 A ES 521444A ES 521444 A ES521444 A ES 521444A ES 521444 A0 ES521444 A0 ES 521444A0
Authority
ES
Spain
Prior art keywords
difluorofluoren
dionas
imidazolidin
mono
preparing spiral
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.)
Granted
Application number
ES521444A
Other languages
English (en)
Other versions
ES8405375A1 (es
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.)
Alcon Vision LLC
Original Assignee
Alcon Laboratories Inc
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
Priority claimed from US06/368,631 external-priority patent/US4438272A/en
Priority claimed from US06/368,630 external-priority patent/US4436745A/en
Application filed by Alcon Laboratories Inc filed Critical Alcon Laboratories Inc
Publication of ES8405375A1 publication Critical patent/ES8405375A1/es
Publication of ES521444A0 publication Critical patent/ES521444A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
ES521444A 1982-04-15 1983-04-14 Un metodo para preparar espiro-(mono- y difluorofluoren-9,4-imidazolidin)-2,5'-dionas. Granted ES521444A0 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36863282A 1982-04-15 1982-04-15
US06/368,631 US4438272A (en) 1982-04-15 1982-04-15 Spiro-(fluoren-9,4'-imidazolidine)-2',5'-diones
US06/368,630 US4436745A (en) 1982-04-15 1982-04-15 Method of inhibiting aldose reductase activity

Publications (2)

Publication Number Publication Date
ES8405375A1 ES8405375A1 (es) 1984-06-01
ES521444A0 true ES521444A0 (es) 1984-06-01

Family

ID=27408873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES521444A Granted ES521444A0 (es) 1982-04-15 1983-04-14 Un metodo para preparar espiro-(mono- y difluorofluoren-9,4-imidazolidin)-2,5'-dionas.

Country Status (12)

Country Link
EP (1) EP0092385B1 (es)
KR (1) KR900003392B1 (es)
AU (1) AU561264B2 (es)
CA (1) CA1200247A (es)
DE (1) DE3382308D1 (es)
ES (1) ES521444A0 (es)
GR (1) GR78557B (es)
IE (1) IE56955B1 (es)
IL (1) IL68314A0 (es)
NZ (1) NZ203876A (es)
PT (1) PT76552B (es)
WO (1) WO1983003543A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5070100A (en) * 1983-09-14 1991-12-03 Alcon Laboratories, Inc. Spiro-tricyclicaromatic succinimide derivatives
US5153211A (en) * 1983-09-14 1992-10-06 Alcon Laboratories, Inc. Spiro-tricyclicaromatic succinimide derivatives as inhibitors of aldose reductase
US4864028A (en) * 1983-09-14 1989-09-05 Alcon Laboratories, Inc. Spiro-tricyclicaromatic succinimide derivatives
US4537892A (en) * 1983-09-14 1985-08-27 Alcon Laboratories, Inc. Spiro-tricyclicaromatic succinimide derivatives as inhibitors of aldose reductase
CN113651757B (zh) * 2021-09-16 2023-09-08 河北工业大学 一种含螺[芴-杂环]结构的空穴传输材料及其制备方法和应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117230A (en) * 1976-10-18 1978-09-26 Pfizer Inc. Hydantoin derivatives as therapeutic agents
US4181728A (en) * 1978-11-16 1980-01-01 Pfizer Inc. Spiro-polycyclicimidazolidinedione derivatives
US4181729A (en) * 1979-03-21 1980-01-01 Pfizer Inc. Phenyl or phenoxy substituted spiro-imidazolidinedione derivatives

Also Published As

Publication number Publication date
AU561264B2 (en) 1987-05-07
CA1200247A (en) 1986-02-04
KR900003392B1 (ko) 1990-05-18
IE56955B1 (en) 1992-02-12
IE830837L (en) 1983-10-15
PT76552B (en) 1986-01-21
ES8405375A1 (es) 1984-06-01
EP0092385B1 (en) 1991-06-12
KR840004408A (ko) 1984-10-15
EP0092385A2 (en) 1983-10-26
PT76552A (en) 1983-05-01
AU1325983A (en) 1983-10-20
WO1983003543A1 (en) 1983-10-27
DE3382308D1 (de) 1991-07-18
NZ203876A (en) 1985-11-08
EP0092385A3 (en) 1985-01-09
GR78557B (es) 1984-09-27
IL68314A0 (en) 1983-07-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991007