本发明的光引发剂包含联苯基取代的含杂原子芳香酮类化合物，或含有这些化合物的组合物。
The photoinitiator contains biphenyl substituted aromatic ketone compound with hetero atoms or a composite with the compound.
药理试验表明：上述化合物均有不同程度的口服抗早孕活性，其中以2-联苯基取代物活性较高。
These derivatives showed certain pregnancy terminating activity in aminal tests. Among them, 2-biphenylyl group compounds exhibited more potent activity than the others.
依据液晶分子结构理论，选择联苯基作为介晶基元，六亚甲基为柔性间隔基，合成了一种丙烯酸酯侧链型液晶高分子。
Based on the liquid crystalline polymer theory, a kind of polyacrylate was synthesized by choosing biphenyl group as rigid nucleus of mesogenic unit and hexylidene as flexible spacing group.
芳基硼酸在三苯基膦钯催化下，与溴代芳烃偶联反应，得到较高收率的不对称联苯衍生物。
Four unsymmetrical biphenyl derivatives were synthesized with good yields by the tetrakis(triphenylphosphine) palladium (0) catalysed cross-coupling reaction of arylboronic acid with bromobenzene.
芳基硼酸在三苯基膦钯催化下，与溴代芳烃偶联反应，得到较高收率的不对称联苯衍生物。
Four unsymmetrical biphenyl derivatives were synthesized with good yields by the tetrakis(triphenylphosphine) palladium (0) catalysed cross-coupling reaction of arylboronic acid with bromobenzene.
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