IN157629B - - Google Patents
Info
- Publication number
- IN157629B IN157629B IN870/CAL/77A IN870CA1977A IN157629B IN 157629 B IN157629 B IN 157629B IN 870CA1977 A IN870CA1977 A IN 870CA1977A IN 157629 B IN157629 B IN 157629B
- Authority
- IN
- India
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
- C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol
-
- 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
- C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/721,885 US4082717A (en) | 1976-08-02 | 1976-09-09 | Preparation of gamma-pyrones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN157629B true IN157629B (zh) | 1986-05-10 |
Family
ID=24899715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN870/CAL/77A IN157629B (zh) | 1976-09-09 | 1977-06-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4147705A (zh) |
| CS (2) | CS203924B2 (zh) |
| IN (1) | IN157629B (zh) |
| SU (1) | SU888822A3 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939565A (en) * | 1997-11-03 | 1999-08-17 | Cultor Food Science, Inc. | Recovery of γ-pyrones |
| CN112778257A (zh) * | 2021-01-21 | 2021-05-11 | 香港科技大学 | 一种将糠醇氧化为二氢吡喃酮类衍生物的绿色方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547912A (en) * | 1968-07-29 | 1970-12-15 | American Home Prod | Derivatives of 2h-pyran-3(6h)-ones and preparation thereof |
| US3707482A (en) * | 1971-11-02 | 1972-12-26 | Ayerst Mckenna & Harrison | Carbamate derivatives of 2h-pyran-3(6h)-one |
-
1977
- 1977-06-10 IN IN870/CAL/77A patent/IN157629B/en unknown
-
1978
- 1978-01-16 US US05/869,493 patent/US4147705A/en not_active Expired - Lifetime
- 1978-12-27 SU SU782704702A patent/SU888822A3/ru active
-
1979
- 1979-03-07 CS CS791536A patent/CS203924B2/cs unknown
- 1979-03-07 CS CS791537A patent/CS203925B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4147705A (en) | 1979-04-03 |
| SU888822A3 (ru) | 1981-12-07 |
| CS203924B2 (en) | 1981-03-31 |
| CS203925B2 (en) | 1981-03-31 |