英语语法分析

Chalcone and its derivatives are important organic intermediates.

查尔酮及其衍生物是一种重要的有机中间体。

The synthesis methods of chalcone and benzene ring alkylation are discussed.

探讨了苯环上烃基化的条件以及查尔酮合成方法和条件。

Conclusion: chalcone can inhibit the growth of BGC823 and arrest the cell cycle.

结论：查尔酮可以抑制BGC823细胞生长，并呈剂量-反应关系。