DE19982749D2 - Process for the preparation of 3-isochromanone - Google Patents

Process for the preparation of 3-isochromanone

Info

Publication number
DE19982749D2
DE19982749D2 DE19982749T DE19982749T DE19982749D2 DE 19982749 D2 DE19982749 D2 DE 19982749D2 DE 19982749 T DE19982749 T DE 19982749T DE 19982749 T DE19982749 T DE 19982749T DE 19982749 D2 DE19982749 D2 DE 19982749D2
Authority
DE
Germany
Prior art keywords
isochromanone
preparation
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 - Fee Related
Application number
DE19982749T
Other languages
German (de)
Inventor
Wolfram Eichinger
Josef Kaesbauer
Alexander Klausener
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.)
Bayer Chemicals AG
Original Assignee
Bayer 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.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to DE19982749T priority Critical patent/DE19982749D2/en
Application granted granted Critical
Publication of DE19982749D2 publication Critical patent/DE19982749D2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C07D311/76—Benzo[c]pyrans
DE19982749T 1998-12-18 1999-12-07 Process for the preparation of 3-isochromanone Expired - Fee Related DE19982749D2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19982749T DE19982749D2 (en) 1998-12-18 1999-12-07 Process for the preparation of 3-isochromanone

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1998158738 DE19858738C2 (en) 1998-12-18 1998-12-18 Process for the preparation of 3-isochromanone
DE19982749T DE19982749D2 (en) 1998-12-18 1999-12-07 Process for the preparation of 3-isochromanone
PCT/EP1999/009544 WO2000037454A1 (en) 1998-12-18 1999-12-07 Method for producing 3-isochromanone

Publications (1)

Publication Number Publication Date
DE19982749D2 true DE19982749D2 (en) 2002-01-24

Family

ID=7891750

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1998158738 Expired - Fee Related DE19858738C2 (en) 1998-12-18 1998-12-18 Process for the preparation of 3-isochromanone
DE19982749T Expired - Fee Related DE19982749D2 (en) 1998-12-18 1999-12-07 Process for the preparation of 3-isochromanone

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1998158738 Expired - Fee Related DE19858738C2 (en) 1998-12-18 1998-12-18 Process for the preparation of 3-isochromanone

Country Status (5)

Country Link
AU (1) AU3035800A (en)
DE (2) DE19858738C2 (en)
GB (1) GB2361475B (en)
SE (1) SE526012C2 (en)
WO (1) WO2000037454A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1116720A4 (en) * 1998-09-21 2002-09-25 Showa Denko Kk Processes for the preparation of isochromanones and intermediates for the preparation thereof
CN104387375A (en) * 2014-09-24 2015-03-04 中国药科大学 Hydrogen sulfide donor type isochromanone derivatives, preparation method and uses thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1116720A4 (en) * 1998-09-21 2002-09-25 Showa Denko Kk Processes for the preparation of isochromanones and intermediates for the preparation thereof

Also Published As

Publication number Publication date
WO2000037454A1 (en) 2000-06-29
SE0101989D0 (en) 2001-06-06
SE526012C2 (en) 2005-06-14
GB2361475B (en) 2004-04-07
DE19858738C2 (en) 2001-03-22
AU3035800A (en) 2000-07-12
DE19858738A1 (en) 2000-06-21
SE0101989L (en) 2001-06-06
GB2361475A (en) 2001-10-24
GB0115218D0 (en) 2001-08-15

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: BAYER CHEMICALS AG, 51373 LEVERKUSEN, DE

8139 Disposal/non-payment of the annual fee