Triprenyl phenol compound, process for production of triprenyl phenol compound, and thrombolysis enhancer

1. A triprenyl phenol compound of the following formula (II) or (III):

wherein, in Formula (II), R 1 is an aromatic group having as a substituent or as a part of a substituent at least one group selected from the group consisting of a carboxyl group, a hydroxyl group, a sulfonic acid group and a secondary amino group,

X is —CHY—C(CH 3 ) 2 Z; and Y and Z are respectively —H or —OH, or together form a single bond;

wherein, in Formula (III), R 4 is an aromatic amino acid residue of the following formula (III-1) (provided that tyrosine residue and phenylalanine residue are excluded); X is —CHY—C(CH 3 ) 2 Z; and Y and Z are respectively —H or —OH, or together form a single bond,

wherein R 5 is a substituent which may be present or absent and which is selected from the group consisting of a hydroxyl group, a carboxyl group and an alkyl group having 1 to 5 carbon atoms, and wherein n represents an integer of 0 or 1.

2. The triprenyl phenol compound of claim 1 , wherein the triprenyl phenol compound is of Formula (II).

3. The triprenyl phenol compound of claim 2 , wherein the aromatic group is of the following formula (II-1):

wherein R 2 and R 3 respectively are a carboxyl group, a hydroxyl group or a sulfonic acid group, or are joined together to form a cyclic group containing a secondary amino group.

4. The triprenyl phenol compound of claim 2 , wherein the aromatic group is selected from the following:

5. The triprenyl phenol compound of claim 1 , wherein the triprenyl phenol compound is of Formula (III).

6. The triprenyl phenol compound of claim 5 , wherein R 4 in Formula (III) is selected from the following:

7. A thrombolysis enhancer comprising the triprenyl phenol compound of claim 1 as an active ingredient, and an excipient or a solvent.