寡乙二醇二缩水甘油醚2a-c与7-羟基-4-甲基-2 H-铬烯-2-酮和4-羟基-2 H-铬烯-2-酮之间的反应导致新的羟基醚3和4含有香豆素部分具有良好的产率。3-(3-(二甲基氨基)丙烯酰基)-4-羟基-2 H-铬烯-2-一5和新的杂环化合物4-羟基-3-(1 H-吡唑-3-基)-2 H的合成-chromen-2-one 6a,4-hydroxy-3-(1-phenylpyrazol-3-yl)-2 H -chromen-2-one 6b和4-hydroxy-3-(isoxazol-3-yl)-2 H -chromen-2-one 6c也进行了描述。所有化合物通过1 H NMR,13 C { 1 H} NMR,2D- 1 H- 13 C HMBC,2D- 1 H NOESY NMR,IR和MS光谱进行表征。另外,评估了含有香豆素部分的新产品的抗菌活性。这种活性显然取决于化合物的化学结构。
寡乙二醇二缩水甘油醚2a-c与7-羟基-4-甲基-2 H-铬烯-2-酮和4-羟基-2 H-铬烯-2-酮之间的反应导致新的羟基醚3和4含有香豆素部分具有良好的产率。3-(3-(二甲基氨基)丙烯酰基)-4-羟基-2 H-铬烯-2-一5和新的杂环化合物4-羟基-3-(1 H-吡唑-3-基)-2 H的合成-chromen-2-one 6a,4-hydroxy-3-(1-phenylpyrazol-3-yl)-2 H -chromen-2-one 6b和4-hydroxy-3-(isoxazol-3-yl)-2 H -chromen-2-one 6c也进行了描述。所有化合物通过1 H NMR,13 C { 1 H} NMR,2D- 1 H- 13 C HMBC,2D- 1 H NOESY NMR,IR和MS光谱进行表征。另外,评估了含有香豆素部分的新产品的抗菌活性。这种活性显然取决于化合物的化学结构。
CHROMENE COMPOUND, CURABLE COMPOSITION COMPRISING THE COMPOUND, AND OPTICAL ARTICLE INCLUDING A CURED BODY OF THE CURABLE COMPOSITION
申请人:TOKUYAMA CORPORATION
公开号:US20200190106A1
公开(公告)日:2020-06-18
A chromene compound having at least one indenonaphthopyran moiety which has a group forming a spiro ring together with the 13-position carbon atom and further an oligomer chain group selected from a polyalkylene oxide oligomer chain group having at least three recurring units and a polyester oligomer chain group having at least three recurring units, represented by the following formula and having reduced matrix dependence:
wherein R
1
and R
2
are each a group which may have an oligomer chain group, the ring Z bonded to the 13-position carbon atom of the chromene compound is a Spiro ring group, and R
3
and R
4
are each an aryl group or heteroaryl group which may have an oligomer chain group.
Preferably, the chromene compound has at least one oligomer chain group in the molecule.
Hydantoin derivatives and their use as polymer stabilizers
申请人:Sankyo Company Limited
公开号:US04162246A1
公开(公告)日:1979-07-24
Hydantoin derivatives in which two or three piperidine spiro hydantoin residues are attached by means of substituted alkylene groups or polyoxyalkylene groups whose oxyalkylene chain is optionally interrupted by one or more phenylene or cyclohexylene groups or by means of substituted isocyanurate or glyceryl groups and, where they exist, acid addition salts thereof, are valuable as stabilizers for synthetic polymers.
An aqueous coating material composition, includes: a hydrophilic polymer that has a hydrophilic group-containing structural unit and at least one hydrolyzable silyl group represented by formula (a) in a main chain terminal or side chain of the hydrophilic polymer, wherein the hydrophilic group-containing structural unit is contained in an amount of 30 mol % or more based on the entire hydrophilic polymer:
—Si(R
102
)
a
—(OR
101
)
3-a
Formula (a)
wherein R
101
represents a hydrogen atom or an allyl group; R
102
represents a hydrogen atom or a monovalent hydrocarbon group selected from the group consisting of an alkyl group, an aryl group and an aralkyl group; a represents an integer of 0 to 2; and when a plurality of R
101
's or R
102
's are present, the plurality of R
101
's or R
102
's may be the same or different respectively.
A photochromic composition comprising (A) a polyrotaxane having a composite molecular structure composed of an axial molecule and a plurality of cyclic molecules clathrating the axial molecule and (B) a photochromic compound.
SURFACE TREATMENT COMPOSITION AND SURFACE-TREATED RESIN MOLDING
申请人:NIPPON SHOKUBAI CO., LTD.
公开号:EP0671450A1
公开(公告)日:1995-09-13
A surface treatment composition which can provide a transparent flexible coating film excellent in gas barrier properties. The composition comprises: at least one silane compound component selected from the group consisting of a silane compound (A) having an amino group and a hydrolyzable and condensible group in its molecule, a product (B) of hydrolysis and condensation of the compound (A), and a product (D) of cohydrolysis and cocondensation between the compound (A) and an organometallic compound (C); a compound (E) having in its molecule at least two functional groups capable of reacting with an amino group; and a solvent (F).