Anthracene compound and chemiluminescent composition comprising the same

A preparation method of an anthracene compound comprising:

• refluxing a compound of the following formula(11) with magnesium metal in an organic solvent and cooling the refluxed solution, thereby obtaining a compound of the following formula(12);
• mixing the obtained compound of the formula(12) and anthraquinone of the following formula(13) in an organic solvent, refluxing the resulting solution, adding an aqueous acid solution to the resulting solution, extracting an organic phase, and distilling the extracted organic phase, thereby obtaining a brown solution of the following formula(14);
• and
• reacting acetic acid and a catalyst with the brown solution, thereby obtaining a compound of the formula(4).
• 28
• wherein R is an alkyl group having 1-8 carbon atoms, and X is halogen.
• 29
• wherein R is an alkyl group having 1-8 carbon atoms, and X is halogen.
• 30
• wherein X1 and X2 are independently hydrogen or halogen.
• 31
• wherein R is an alkyl group having 1-8 carbon atoms, and X1 and X2 are independently hydrogen or halogen.
• 32
• wherein R is an alkyl group having 1-8 carbon atoms, and X1 and X2 are independently hydrogen or halogen.