JPS5231084A - Synthesis of dihydrophthalazinospiropyrane derivatives - Google Patents

Synthesis of dihydrophthalazinospiropyrane derivatives

Info

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
Application number
JP10682175A
Other languages
Japanese (ja)
Inventor
Kozo Sato
Mitsuo Okazaki
Masayoshi Yamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP10682175A priority Critical patent/JPS5231084A/en
Publication of JPS5231084A publication Critical patent/JPS5231084A/en
Pending legal-status Critical Current

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
JP10682175A 1975-09-03 1975-09-03 Synthesis of dihydrophthalazinospiropyrane derivatives Pending JPS5231084A (en)

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)

Similar Documents

Publication Publication Date Title
JPS5297950A (en) Chalconeether derivatives
JPS5271444A (en) Synthesis of phenyl-onn-azoxycyanides
JPS5231084A (en) Synthesis of dihydrophthalazinospiropyrane derivatives
JPS5265299A (en) Synthesis of 2-substituted-thioadenosine-n-oxides
JPS5225765A (en) Preparation of novel isoindoline derivatives
JPS51113846A (en) New herbicides
JPS5278888A (en) Synthesis of novel quinazoline derivatives
JPS5227757A (en) Preparation of 6-aminomethylnaphthalene derivatives
JPS5227756A (en) Preparation of 6-aminomethylnaphthalene derivatives
JPS5262295A (en) Preparation of n1-oxy-2-thioadenosines
JPS5219685A (en) Preparation of novel 2,3-dioxopiperazine derivatives
JPS5271478A (en) Synthesis of novel derivatives of kanamycin b
JPS525797A (en) Preparation of tetrahydropyrido pyrimidinone derivatives
JPS5359656A (en) Silacyclopropene derivatives and process for preparation of the same
JPS5223066A (en) Preparation of 1-thiaazulan-2-thiones
JPS5312893A (en) Preparation of tetraquinazolone derivatives
JPS5214771A (en) 6-hydroxychroman derivatives
JPS525729A (en) Process for preparation of 1,3,5-tri-substituted-benzene derivatives
JPS51141868A (en) Process for preparing novel 3-substituted-n-benzylprrolidine derivativ es.
JPS5278883A (en) Synthesis of novel indene derivatives
JPS5262256A (en) Preparation of stilbene derivatives
JPS51135929A (en) Process for preparing novel prinone d ye
JPS5269491A (en) Preparation of high polymeric selenium compounds
JPS5268184A (en) Preparation of 4,5-disulfornaphthalimides
JPS527959A (en) Preparation of 5-benzyl-2-oxazolidone derivatives