CHROMENE COMPOUND AND CURABLE COMPOSITION

Title:

CHROMENE COMPOUND AND CURABLE COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2013/042800

Kind Code:

A1

Abstract:

Provided is a chromene compound which has a sulfur-containing substitute represented by formula (2) at the carbon atom in the 6-position and/or the 7-position of an indeno(2,1-f)naphtho(1,2-b)pyran structure. This chromene compound has excellent photochromic characteristics, while exhibiting excellent stability at high temperatures. (In the formula, ring X represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring; each of R3 and R4 represents an alkyl group, a haloalkyl group, a cycloalkyl group, an alkoxy group, an amino group, a halogen atom, an aryloxy group, an aryl group, or a heterocyclic ring group that contains a ring member nitrogen atom and is bound to ring X, to which the ring member nitrogen atom is bonded, through the nitrogen atom; and a represents an integer of 0-4.)

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Inventors:

SHIMIZU YASUTOMO (JP)
IZUMI SHINOBU (JP)
TAKENAKA JUNJI (JP)
MOMODA JUNJI (JP)

Application Number:

PCT/JP2012/074998

Publication Date:

March 28, 2013

Filing Date:

September 21, 2012

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Assignee:

TOKUYAMA CORP (JP)

International Classes:

C07C323/21; C07D311/94; C07C323/38; C07D213/70; C07D295/08; C07D405/12; C09K9/02; G02B1/04

Domestic Patent References:

WO2011016582A1	2011-02-10
WO2012121414A1	2012-09-13
WO2005028465A1	2005-03-31
WO2010065393A1	2010-06-10
WO2011016582A1	2011-02-10
WO2001060881A2	2001-08-23

Foreign References:

US20090309076A1	2009-12-17
JPH1149827A	1999-02-23
US20090309706A1	2009-12-17

Other References:

JOURNAL OF ORGANIC CHEMISTRY, vol. 69, no. 10, 2004, pages 3282 - 3293
SYNTHETIC COMMUNICATIONS, vol. 23, no. 16, 1993, pages 2241 - 2249

Attorney, Agent or Firm:

OHSHIMA, Masataka (JP)
Masataka Oshima (JP)

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