| abstract |
The present invention relates to a phenol-based oligomer represented by the formula (1), a method for producing the same, and the like; □ (n is an integer of 0 to 15, R is an allyl group, and a1 and a3 are each independently 0, 1, 2 or 3, each a2 is independently 0, 1 or 2, and each R' is independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an aryl group, but at least one of a1, each a2, and a3. The number is 2). |