DK134552B - Analogous process for the preparation of substituted 2H-pyran-2,6 (3H) -dione derivatives. - Google Patents

Analogous process for the preparation of substituted 2H-pyran-2,6 (3H) -dione derivatives.

Info

Publication number
DK134552B
DK134552B DK332675AA DK332675A DK134552B DK 134552 B DK134552 B DK 134552B DK 332675A A DK332675A A DK 332675AA DK 332675 A DK332675 A DK 332675A DK 134552 B DK134552 B DK 134552B
Authority
DK
Denmark
Prior art keywords
pyran
substituted
preparation
dione derivatives
analogous process
Prior art date
Application number
DK332675AA
Other languages
Danish (da)
Other versions
DK134552C (en
DK332675A (en
Inventor
Lawrence William Chakrin
Kenneth Means Snader
Chester Rhodes Willis
Original Assignee
Smithkline Corp
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 Smithkline Corp filed Critical Smithkline Corp
Publication of DK332675A publication Critical patent/DK332675A/da
Publication of DK134552B publication Critical patent/DK134552B/en
Application granted granted Critical
Publication of DK134552C publication Critical patent/DK134552C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK332675AA 1974-07-29 1975-07-22 Analogous process for the preparation of substituted 2H-pyran-2,6 (3H) -dione derivatives. DK134552B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49264074A 1974-07-29 1974-07-29
US57089675A 1975-04-23 1975-04-23

Publications (3)

Publication Number Publication Date
DK332675A DK332675A (en) 1976-01-30
DK134552B true DK134552B (en) 1976-11-29
DK134552C DK134552C (en) 1977-05-09

Family

ID=27050812

Family Applications (1)

Application Number Title Priority Date Filing Date
DK332675AA DK134552B (en) 1974-07-29 1975-07-22 Analogous process for the preparation of substituted 2H-pyran-2,6 (3H) -dione derivatives.

Country Status (17)

Country Link
JP (1) JPS5136458A (en)
AT (1) AT343657B (en)
CA (1) CA1064509A (en)
CH (1) CH615433A5 (en)
DD (1) DD118626A5 (en)
DE (1) DE2533843C2 (en)
DK (1) DK134552B (en)
ES (1) ES439664A1 (en)
FI (1) FI59406C (en)
FR (1) FR2280367A1 (en)
GB (1) GB1521712A (en)
HU (1) HU174067B (en)
IE (1) IE41709B1 (en)
IL (1) IL47792A (en)
LU (1) LU73066A1 (en)
NL (1) NL7509032A (en)
NO (1) NO142668C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1572271A (en) * 1976-06-16 1980-07-30 Smithkline Corp 5-acetyl-4-hydroxy-(3(1-phenylaminoethylidene)-2h-pyran-2,6(3h)-dione derivatives
FR2388808A1 (en) * 1977-04-29 1978-11-24 Smithkline Corp SUBSTITUTE DERIVATIVES OF 2H-PYRANNE-2,6 (3H) -DIONES, THEIR PREPARATION AND THEIR APPLICATION IN THERAPEUTICS
US4160021A (en) * 1977-05-23 1979-07-03 Smithkline Corporation Substituted 2H-pyran-2,6(3H)-dione derivatives
US5263435A (en) * 1992-08-12 1993-11-23 Mitsuba Electric Manufacturing Co., Ltd. Volute horn and method of manufacturing

Also Published As

Publication number Publication date
ATA584475A (en) 1977-10-15
NO752638L (en) 1976-01-30
DE2533843A1 (en) 1976-02-19
FI59406B (en) 1981-04-30
NL7509032A (en) 1976-02-02
DE2533843C2 (en) 1984-06-14
JPS5136458A (en) 1976-03-27
FI752139A (en) 1976-01-30
CH615433A5 (en) 1980-01-31
ES439664A1 (en) 1977-03-01
FR2280367B1 (en) 1979-08-10
IE41709L (en) 1976-01-29
GB1521712A (en) 1978-08-16
IE41709B1 (en) 1980-03-12
HU174067B (en) 1979-10-28
FR2280367A1 (en) 1976-02-27
DK134552C (en) 1977-05-09
NO142668C (en) 1980-09-24
DD118626A5 (en) 1976-03-12
LU73066A1 (en) 1976-03-02
IL47792A (en) 1978-06-15
CA1064509A (en) 1979-10-16
NO142668B (en) 1980-06-16
DK332675A (en) 1976-01-30
AU8345075A (en) 1977-02-03
AT343657B (en) 1978-06-12
FI59406C (en) 1981-08-10
IL47792A0 (en) 1975-10-15

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Legal Events

Date Code Title Description
PBP Patent lapsed