Coating solution for forming insulating film

A coating solution for forming insulating film comprising at least one selected from the group consisting of:

• a compound represented by the formula (1):
• 6
• wherein X1 are the same or different and each represent an alkenyl group having 2 to 6 carbon atoms, an alkynyl group having 2 to 6 carbon atoms, a monovalent organic group represented by the formula (2) below, or a monovalent organic group represented by the formula (3) below;
• X2 may be the same or different when X2 is plural and X2 represents a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a phenoxy group, or an aryl group which may be substituted;
• n represents an integer from 2 to 16;
• and m=16−n;
• and a resin resulting from polymerization of the compound of the formula (1),
• the formula (2) being:
• —Y1—Ar1 (2)
• wherein Y1 represents an alkenylene group having 2 to 6 carbon atoms or an alkynylene group having 2 to 6 carbon atoms, and Ar1 represents an aryl group which may be substituted, and
• the formula (3) being:
• —Y2—Ar2—(Y3-A)p (3)
• wherein Y2 represents a direct bond, an alkylene group having 1 to 6 carbon atoms, or an alkenylene group having 2 to 6 carbon atoms;
• Y3 represents an alkylene group having 1 to 6 carbon atoms, an alkenylene group having 2 to 6 carbon atoms, or an alkynylene group having 2 to 6 carbon atoms;
• one of Y2 and Y3 is an alkenylene group having 2 to 6 carbon atoms or an alkynylene group having 2 to 6 carbon atoms;
• p is an integer from 1 to 5;
• Ar2 represents an arylene group which may be substituted;
• A represents a hydrogen atom or a group equivalent to Ar1 and A may be the same or different when p is 2 or more.