JPS5334776A - Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones - Google Patents
Preparation of novel 3,4-dihydro-2h-pyran-2, 4-dionesInfo
- Publication number
- JPS5334776A JPS5334776A JP8468177A JP8468177A JPS5334776A JP S5334776 A JPS5334776 A JP S5334776A JP 8468177 A JP8468177 A JP 8468177A JP 8468177 A JP8468177 A JP 8468177A JP S5334776 A JPS5334776 A JP S5334776A
- Authority
- JP
- Japan
- Prior art keywords
- pyran
- dihydro
- diones
- novel
- 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.)
- Granted
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pyrane Compounds (AREA)
Abstract
PURPOSE: 3,4-Dihydro-2H-pyran-2,4-diones of formula I(R1 if lower alkyl or phenyl; R2 is alkyl or lower chloro alkyl, benzyl, phenoxymethyl, phenyl, styryl, etc.; R3 is H, alkyl, lower alkenyl, benzyl, etc.), e.g. 3-(1-Nallyloxy-aminopropylidene)-6-phenyl-3,4-dihydro-2H-pyran-2,4-dione.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8468177A JPS5334776A (en) | 1977-07-15 | 1977-07-15 | Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8468177A JPS5334776A (en) | 1977-07-15 | 1977-07-15 | Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2877174A Division JPS5327767B2 (en) | 1974-03-13 | 1974-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5334776A true JPS5334776A (en) | 1978-03-31 |
JPS5411312B2 JPS5411312B2 (en) | 1979-05-14 |
Family
ID=13837426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8468177A Granted JPS5334776A (en) | 1977-07-15 | 1977-07-15 | Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5334776A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05181532A (en) * | 1992-01-07 | 1993-07-23 | Sumitomo Metal Ind Ltd | Device and method for controlling cutoff of plate-shaped body |
-
1977
- 1977-07-15 JP JP8468177A patent/JPS5334776A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05181532A (en) * | 1992-01-07 | 1993-07-23 | Sumitomo Metal Ind Ltd | Device and method for controlling cutoff of plate-shaped body |
Also Published As
Publication number | Publication date |
---|---|
JPS5411312B2 (en) | 1979-05-14 |
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