NL202935A - - Google Patents
Info
- Publication number
- NL202935A NL202935A NL202935DA NL202935A NL 202935 A NL202935 A NL 202935A NL 202935D A NL202935D A NL 202935DA NL 202935 A NL202935 A NL 202935A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/69—Two or more oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/68—One oxygen atom attached in position 4
-
- 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
- C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1088065X | 1954-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL202935A true NL202935A (nl) |
Family
ID=9613661
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL92955D NL92955C (nl) | 1954-12-23 | ||
NL202935D NL202935A (nl) | 1954-12-23 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL92955D NL92955C (nl) | 1954-12-23 |
Country Status (8)
Country | Link |
---|---|
US (1) | US2865930A (nl) |
BE (1) | BE543705A (nl) |
CH (1) | CH340508A (nl) |
DE (1) | DE1088065B (nl) |
FR (2) | FR1117302A (nl) |
GB (1) | GB781413A (nl) |
LU (1) | LU34026A1 (nl) |
NL (2) | NL202935A (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3968236A (en) * | 1975-01-22 | 1976-07-06 | Merck & Co., Inc. | 2-Aminomethyl-5-hydroxy-4H-pyran-4-one and derivatives thereof |
IE45511B1 (en) * | 1976-09-01 | 1982-09-08 | Ciba Geigy Ag | New derivatives of perhydro-aza-heterocycles and processesfor the production thereof |
JPS567710A (en) * | 1979-06-28 | 1981-01-27 | Sansho Seiyaku Kk | Whitening cosmetic |
US4545982A (en) * | 1982-03-17 | 1985-10-08 | Yakurigaku Chuo Kenkyusho | Pyranone compounds and skin-lightening cosmetic preparations or local demelanizing agents containing the same |
US4644071A (en) * | 1984-07-11 | 1987-02-17 | G. D. Searle & Co. | Aralkoxy and aryloxyalkoxy kojic acid derivatives |
US4603144A (en) * | 1984-08-16 | 1986-07-29 | G. D. Searle & Co. | Kojic acid ether-ester derivatives |
EP2325616A1 (de) | 2009-11-19 | 2011-05-25 | On Point Indicators GmbH | Vorrichtung zur irreversiblen Kennzeichnung einer kritischen Temperaturüberschreitung von Blutbeuteln |
AU2017311691B2 (en) | 2016-08-18 | 2021-12-02 | Vidac Pharma Ltd. | Piperazine derivatives, pharmaceutical compositions and methods of use thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422740A (en) * | 1944-11-27 | 1947-06-24 | Commerical Solvents Corp | 2-thiocyanomethyl-5-hydroxy-1,4-pyrone and method for preparing it |
-
0
- LU LU34026D patent/LU34026A1/xx unknown
- NL NL92955D patent/NL92955C/xx active
- BE BE543705D patent/BE543705A/xx unknown
- NL NL202935D patent/NL202935A/xx unknown
-
1954
- 1954-12-23 FR FR1117302D patent/FR1117302A/fr not_active Expired
-
1955
- 1955-06-22 FR FR67951D patent/FR67951E/fr not_active Expired
- 1955-12-19 US US553712A patent/US2865930A/en not_active Expired - Lifetime
- 1955-12-19 DE DES46766A patent/DE1088065B/de active Pending
- 1955-12-19 CH CH340508D patent/CH340508A/fr unknown
- 1955-12-23 GB GB36915/55A patent/GB781413A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE543705A (nl) | |
NL92955C (nl) | |
FR1117302A (fr) | 1956-05-22 |
US2865930A (en) | 1958-12-23 |
FR67951E (fr) | 1958-03-26 |
GB781413A (en) | 1957-08-21 |
LU34026A1 (nl) | |
CH340508A (fr) | 1959-08-31 |
DE1088065B (de) | 1960-09-01 |