In this paper, the di-n-hexyl sec-butylphosphonate has been prepared, then hydrolyzed to the mono-n-hexyl sec-butylphosphonate by phase transfer catalysis.Thequality of the products is very good.

• 报道了用相转移催化法合成仲丁基膦酸双正己酯以及将其水解转化为相应单酯的方法。