Pyranoquinazoline derivatives and naphthopyran derivatives

A compound represented by the following general formula:

• wherein, in the formulas:
• the substituent R6 is:
• alkyl group or alkoxy group, or alkyl group having substituent W or alkoxy group having substituent W;
• or
• aromatic group or heterocyclic group, or aromatic group having substituent W or heterocyclic group having substituent W,
• wherein the substituents W are independent to each other and are identical or different from each other, and:
• (1) the substituent(s) W is one or more substituent selected from the group consisting of:
• hydrogen atom, halogen atom, nitro group, cyano group, trifluoromethyl group, hydroxyl group, thiol group, amino group and carbazole group,
• straight chain or branched chain alkyl group, alkylamino group, alkoxy group and cycloether ring having carbon number from 1 to 20, and
• —Y1-SiZ1Z2Z3 group, —Y1-SiY2Z1Z2 group and —Y1-SiY2Y3Z1 group, aromatic ring, heterocyclic ring, and alicyclic ring, each of which is formed by multiple substituent W combining with each other, wherein Y1 to Y3 and Z1 to Z3 are independent to each other and are identical to or different from each other, and Y1 to Y3 represent straight chain, branched chain or cyclic alkyl group or alkylene group having carbon number from 1 to 20, and Z1 to Z3 represent hydrogen atom or halogen atom, or straight chain or branched chain alkoxy group having carbon number from 1 to 8, or
• (2) the substituent(s) W is one or more substituent selected from the group consisting of substituents represented by the following structural formulas (i), (ii) and (iii):
• wherein Ri1 represents alkyl group, alkylene group or alkoxylene group having carbon number from 1 to 20, and Ri2 represents hydrogen or alkyl group having carbon number from 1 to 3;
• wherein Ri3 represents alkyl group, alkylene group or alkoxylene group having carbon number from 1 to 20, Ri4 represents cyclic olefins having a total of carbon and silicon number of 5 to 10, and t represents of 0 or 1;
• and
• wherein Ri5 represents alkyl group, alkylene group or alkoxylene group having carbon number from 1 to 20, Ri6 represents ethylene group or acetylene group,
• the substituent W integrates the carbon atom and other substituent W as a whole to form or not to form aromatic ring, heterocyclic ring or alicyclic ring, wherein the aromatic ring, the heterocyclic ring and the alicyclic ring, if formed, is further with or without a substituent which has the same meaning as the substituent having aryl group,
• R2 is:
• straight chain, branched chain or cyclic alkyl group, aromatic ring group or heterocyclic group having carbon number from 1 to 20, or
• straight chain, branched chain or cyclic alkyl group, aromatic ring group or heterocyclic group having substituent W and having carbon number from 1 to 20,
• R3, R4, and R5 are independent to each other, identical or different from each other, and one or more substituent selected from the group consisting of:
• hydrogen atom, halogen atom, nitro group, cyano group, trifluoromethyl group, hydroxyl group, thiol group, amino group, carbazole group, and straight chain or branched chain alkyl group, alkylamino group and alkoxy group having carbon number from 1 to 20,—Y1-SiZ1Z2Z3 group, —Y1-SiY2Z1Z2 group —Y1-SiY2Y3Z1 group, aromatic ring, heterocyclic ring, and alicyclic ring which forms rings by combining with each other, wherein Yi to Y3 are independent to each other, identical to or different from each other, and represent straight chain, branched chain or cyclic alkyl group or alkylene group having carbon number from 1 to 20, and Z1 to Z3 are independent to each other, identical to or different from each other, and represent hydrogen atom or halogen atom or straight chain or branched chain alkoxy group having carbon number from 1 to 8, and aromatic ring, heterocyclic ring and alicyclic ring, each of which is formed by multiple substituent R3, R4, and R5 combining with each other,
• bonding of R2 with R6 may form 5- to 7-membered ring, or 5- to 7-membered ring having substituent W,
• bonding of two or more R5, bonding of two or more R6, bonding of one or more R5 and R6, may form unsaturated 5- or 6-membered ring or aromatic ring, or unsaturated 5- or 6-membered ring having substituent W,
• in the unsaturated 5- or 6-membered ring or aromatic ring formed by bonding of one or more R5 and R6, bonding of one or more R5 and R7 and bonding of one or more R7 and R8, unsaturated 5- or 6-membered ring or aromatic ring, or unsaturated 5- or 6-membered ring having substituent W may be formed,
• m and n are an integer from 1 to 5,
• k is an integer from 1 to 3, and
• p is an integer from 1 to 2.