A transparent body production method that includes subjecting the compound represented by formula (1) to heating at a temperature equal to or greater than the melting point of said compound. In formula (1), each of W
1
and W
2
is the group represented by formula (2) in which the ring Z is an aromatic hydrocarbon ring, X is a single bond or —S—, R
1
is a single bond or an alkylene group having 1-4 carbon atoms, R
2
is a specific substituent, and m is an integer of 0 or higher, the group represented by formula (4) is —OH— or a (meth)acryloyloxy group, each of the rings Y
1
and Y
2
is an aromatic hydrocarbon ring, R is a single bond or a specific divalent group, each of R
3a
and R
3b
is —CN, a halogen group, or a monovalent hydrocarbon group, and each of n1 and n2 is an integer of 0-4.
将公式(1)所代表的化合物在温度等于或高于该化合物的熔点处加热的透明体制备方法。在公式(1)中,W1和W2中的每一个是由公式(2)表示的基团,其中环Z是
芳香烃环,X是一个单键或—S—,R1是一个单键或具有1-4个碳原子的烷基基团,R2是一个特定的取代基,m是大于或等于0的整数,由公式(4)表示的基团是—OH—或(甲基)
丙烯酰氧基团,Y1和Y2中的每一个是
芳香烃环,R是一个单键或特定的二价基团,R3a和R3b中的每一个是—CN、卤素基团或一价碳氢基团,n1和n2中的每一个是0-4的整数。