JPS5242880A - Method of preparing spiropyrane compounds - Google Patents

Method of preparing spiropyrane compounds

Info

Publication number
JPS5242880A
JPS5242880A JP50119512A JP11951275A JPS5242880A JP S5242880 A JPS5242880 A JP S5242880A JP 50119512 A JP50119512 A JP 50119512A JP 11951275 A JP11951275 A JP 11951275A JP S5242880 A JPS5242880 A JP S5242880A
Authority
JP
Japan
Prior art keywords
preparing
spiropyrane
spiropyrane compounds
compounds
aralkyl
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
Application number
JP50119512A
Other languages
Japanese (ja)
Other versions
JPS5933595B2 (en
Inventor
Sadao Ishige
Yoshisato Saeki
Mitsuo Okazaki
Kozo Sato
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP50119512A priority Critical patent/JPS5933595B2/en
Publication of JPS5242880A publication Critical patent/JPS5242880A/en
Publication of JPS5933595B2 publication Critical patent/JPS5933595B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Color Printing (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

PURPOSE: Spiropyrane compounds of formula I -(Z is S, NR1;R1 is alkyl, aralkyl, aryl, acyl; Y is O, NR2;R2 is alkyl, aralkyl, aryl, in the proviso that when Y is O, X is not acyl); for example, 1',3',4',-triphenylspiro [2H-benzopyrane-2, 5,-(▵2-1,2,4)triazone].
COPYRIGHT: (C)1977,JPO&Japio
JP50119512A 1975-10-03 1975-10-03 Method for producing spiropyran compounds Expired JPS5933595B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50119512A JPS5933595B2 (en) 1975-10-03 1975-10-03 Method for producing spiropyran compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50119512A JPS5933595B2 (en) 1975-10-03 1975-10-03 Method for producing spiropyran compounds

Publications (2)

Publication Number Publication Date
JPS5242880A true JPS5242880A (en) 1977-04-04
JPS5933595B2 JPS5933595B2 (en) 1984-08-16

Family

ID=14763090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50119512A Expired JPS5933595B2 (en) 1975-10-03 1975-10-03 Method for producing spiropyran compounds

Country Status (1)

Country Link
JP (1) JPS5933595B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007528929A (en) * 2004-03-12 2007-10-18 サン・ケミカル・コーポレーション Reversible pressure sensitive color change system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007528929A (en) * 2004-03-12 2007-10-18 サン・ケミカル・コーポレーション Reversible pressure sensitive color change system

Also Published As

Publication number Publication date
JPS5933595B2 (en) 1984-08-16

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