Azuleno[5,6-c]furan and 4-chloroazuleno[4,5-c]furan have been prepared by a tandem cycloaddition-cycloreversion strategy. These azulenofurans are qualitatively more stable than isobenzofuran and were characterised spectroscopically and as their Diels-Alder adducts with N-methylmaleimide.
COLOR DEVELOPING COMPOSITION CONTAINING MOLECULAR COMPOUND, AND RECORDING MATERIAL
申请人:Kodama Satoshi
公开号:US20110120345A1
公开(公告)日:2011-05-26
Provided is a color-developing composition containing a molecular compound which has as a component compound a compound represented by formula (I)
[wherein Y represents a C1-C12 hydrocarbon group which is chained or branched and saturated or unsaturated, or a C1-C8 hydrocarbon group which is chained or branched, saturated or unsaturated and has an ether or thioether bond; R
1
, R
2
, R
3
and R
4
each independently represent a C1-C6 alkyl group or C2-C6 alkenyl group; n, p, q and r each represents any integer of 0 to 4; and m represents any integer of 0 to 2]. Also provided is a recording material with a sufficient color-forming sensitivity, superior storage stability, and especially with an extremely little background fogging in a heat resistance test.
Liquid deodorant killing microorganism and method of microorganism-killing deodorization
申请人:——
公开号:US20030157051A1
公开(公告)日:2003-08-21
The object of the present invention is to provide a microbicidal deodorant in a tractable liquid form that has excellent long-term storage stability.
The microbicidal deodorant of the present invention comprises: at least one substance selected from the group consisting of halogenated dialkyl hydantoins represented by general formula (1) and halogenated succinimides represented by general formula (2); and at least one substance selected from the group consisting of tetrahydrothiophene 1,1-dioxide, 3-methyltetrahydrothiophene 1,1-dioxide, and 2,5-dihydrothiophene 1,1-dioxide.
Novel sulfur compounds and intermolecular compounds containing the same as the component compounds
申请人:——
公开号:US20030130358A1
公开(公告)日:2003-07-10
The invention aims at providing novel sulfur compounds, molecular compounds containing the same as the component compound, and so on. The above aim is achieved by using sulfur compounds of the general formula (I) wherein Rs are each independently hydrogen, optionally substituted C
1-6
alkyl, optionally substituted C
2-6
alkenyl, optionally substituted aryl, chloro, or bromo; m is an integer of 0, 1, or 2; and Z is a group represented by any of the general formulae (II) to (V) (wherein R and m are each as defined above; W is hydrogen or C
1-6
alkyl; and Y is a direct bond, C
1-3
alkylene, or phenylene).
1
The present invention has its object to provide a thermoplastic resin for producing moldings having enough transparency and excellent in permanent antistatic properties and mechanical properties. The present invention provides a transparent resin composition which comprises at least one block polymer (A) selected from the group consisting of specific block polymers (A1) and (A2) and a transparent resin (B), with the difference in refractive index between (A) and (B) being not more than 0.01.