IT1261660B - New compounds having photochromic properties in the presence of oxygen and methods for their preparation - Google Patents

New compounds having photochromic properties in the presence of oxygen and methods for their preparation

Info

Publication number
IT1261660B
IT1261660B ITMI922069A ITMI922069A IT1261660B IT 1261660 B IT1261660 B IT 1261660B IT MI922069 A ITMI922069 A IT MI922069A IT MI922069 A ITMI922069 A IT MI922069A IT 1261660 B IT1261660 B IT 1261660B
Authority
IT
Italy
Prior art keywords
oxygen
preparation
methods
new compounds
photochromic properties
Prior art date
Application number
ITMI922069A
Other languages
Italian (it)
Inventor
Pietro Allegrini
Luciana Crisci
Original Assignee
Enichem Sintesi
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 Enichem Sintesi filed Critical Enichem Sintesi
Priority to ITMI922069A priority Critical patent/IT1261660B/en
Publication of ITMI922069A0 publication Critical patent/ITMI922069A0/en
Publication of ITMI922069A1 publication Critical patent/ITMI922069A1/en
Application granted granted Critical
Publication of IT1261660B publication Critical patent/IT1261660B/en

Links

Abstract

Dihydroderivatives of spiro-indolino-oxazine having the property of converting into photochromic compounds in the presence of oxygen, of general formula I: <IMAGE>
ITMI922069A 1992-09-07 1992-09-07 New compounds having photochromic properties in the presence of oxygen and methods for their preparation IT1261660B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITMI922069A IT1261660B (en) 1992-09-07 1992-09-07 New compounds having photochromic properties in the presence of oxygen and methods for their preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922069A IT1261660B (en) 1992-09-07 1992-09-07 New compounds having photochromic properties in the presence of oxygen and methods for their preparation

Publications (3)

Publication Number Publication Date
ITMI922069A0 ITMI922069A0 (en) 1992-09-07
ITMI922069A1 ITMI922069A1 (en) 1994-03-08
IT1261660B true IT1261660B (en) 1996-05-28

Family

ID=11363915

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922069A IT1261660B (en) 1992-09-07 1992-09-07 New compounds having photochromic properties in the presence of oxygen and methods for their preparation

Country Status (1)

Country Link
IT (1) IT1261660B (en)

Also Published As

Publication number Publication date
ITMI922069A0 (en) 1992-09-07
ITMI922069A1 (en) 1994-03-08

Similar Documents

Publication Publication Date Title
IT1255729B (en) s-triazine derivatives as photostabilising agents
PL298845A1 (en) Arylecetamides, method of obtaining them as well as pharmaceutical preparation and method of obtaining same
HK56897A (en) Benzocyclobutyl-or indanyl-alkyl-amino-alkyl substituted 3-benzazepin-2-ones useful in the treatment of cardiovascular diseases
HU9301328D0 (en) Agents for making complex compounds and radioactive immunoreactive ones used as carriers in diagnostical transforming compositions
ZA919629B (en) Novel 4-arylpiperazines and 4-arylpiperidines
AU564910B2 (en) Diazabicyclo-(3.3.1)nonanes
ES2051650A1 (en) Methods for scavenging active oxygen compounds and preventing damage from ultra violet B rays using taurine analogues
GR3022079T3 (en) Preparation of substituted piperidines
EP0387821A3 (en) 2-alkyl-4-arylmethylaminoquinolines, their use and medicines containing them
AU6101590A (en) Halogenoalkylphenyl-alcohols, -keytones and hydrates thereof
JPS6468368A (en) Use of 2-pyrimidinyl-1-piperazine derivative
DE3567211D1 (en) (pyrrol-1-yl)-phenyl-dihydropyridazinones, their preparation and use
IT1261660B (en) New compounds having photochromic properties in the presence of oxygen and methods for their preparation
DK0617027T3 (en) N-Benzylpiperazine Compounds, Methods of Preparation and Compositions Containing the Compounds
ZA823602B (en) N-substituted 2-methylnaphthylamides, their preparation, and their use for controlling fungi
TW340108B (en) 1,1-difluoro-1,4-dichlorobutane and process for its preparation
AU548410B2 (en) 5-6-dihydro-11-alkylene-morphanthridin-6-one
DE3362130D1 (en) 7-phenyl-7-phenoxymethyl-hexahydro-1,4-oxazepines, their preparation and use
PL312966A1 (en) Derivatives of thiocarbamoil
SE9401596D0 (en) New compounds
ES2032573T3 (en) PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF 4,4-DIMETIL-TETRAHIDROPIR-2-ONA.
ES2103166A1 (en) Process for obtaining bicyclic amidinohydrazones
DE3824939A1 (en) Antimycotic compositions containing 2,2-dihalocyclopropylhydroxyethyltriazoles
AU709451C (en) Novel compounds and their use as antipsychotics and analgetics
GR3022125T3 (en) Process for the preparation of 1,3-dialkyl-5-hydroxyoxindoles and of their ether derivatives

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970917