These on reduction with NaBH4 gave exclusively cis-3-heterocycle substituted chroman-4-ols in good yields.
【文】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
A heterocycle being any molecular ring or cycle with different types of atoms.
杂指的是不同原子组成的分子。
To understand where the uric acid comes from, let’s start with purines, which, together with pyrimidines, are nature’s most common nitrogen-containing heterocycles.
为了说尿酸从，让我们先了解嘌呤和嘧啶，它们都是自然界中最常见的含氮杂。
关注我们的微信
下载手机客户端
划词翻译
详细解释
】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.
指的是不同原子组成的分子
尿酸从
，让我们先
