JPS5231084A - Synthesis of dihydrophthalazinospiropyrane derivatives - Google Patents
Synthesis of dihydrophthalazinospiropyrane derivativesInfo
- Publication number
- JPS5231084A JPS5231084A JP10682175A JP10682175A JPS5231084A JP S5231084 A JPS5231084 A JP S5231084A JP 10682175 A JP10682175 A JP 10682175A JP 10682175 A JP10682175 A JP 10682175A JP S5231084 A JPS5231084 A JP S5231084A
- Authority
- JP
- Japan
- Prior art keywords
- dihydrophthalazinospiropyrane
- derivatives
- synthesis
- alkyl
- halogen
- 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.)
- Pending
Links
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
PURPOSE: Dihydrophthalazinospiropyrane derivatives of formula I (R1 is H, halogen, alkyl, NO2, OH, COOH, acylamino; R2 is halogen, alkyl, aralkyl, alkoxy, alkylthio; R3 is alkyl, aryl, aralkyl; R4, R5 are H, halogen, alkyl, alkoxy, aryl, aryloxy); for example, 2-Me-4-Et-1,2-dihydrophthalazino-1,2'-spiro-6'-NO22H-1-benzopyrane.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10682175A JPS5231084A (en) | 1975-09-03 | 1975-09-03 | Synthesis of dihydrophthalazinospiropyrane derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10682175A JPS5231084A (en) | 1975-09-03 | 1975-09-03 | Synthesis of dihydrophthalazinospiropyrane derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5231084A true JPS5231084A (en) | 1977-03-09 |
Family
ID=14443448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10682175A Pending JPS5231084A (en) | 1975-09-03 | 1975-09-03 | Synthesis of dihydrophthalazinospiropyrane derivatives |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5231084A (en) |
-
1975
- 1975-09-03 JP JP10682175A patent/JPS5231084A/en active Pending
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