A series of 2, 4 - diamino - 6 - substituted piperazine quinazolines was synthesized.是什么意思？

A series of 2, 4 - diamino - 6 - substituted piperazine quinazolines was synthesized.

本文报道2, 4-二氨基 -6- 取代哌哗嗪基喹唑啉衍生物的合成及其抗疟活性.

series

n. 系列，连续，串联，（广播或电视上题材或角色相同的）系列节目，级数；

例句
It's no accident that the boom in police series on TV coincided with the decline of the Western.
警匪剧在电视上盛行之时恰好是西部片衰退之际，这并非偶然。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

diamino

二氨基；

例句
A series of 2, 4 - diamino - 6 - substituted piperazine quinazolines was synthesized.
本文报道2, 4-二氨基 -6- 取代哌哗嗪基喹唑啉衍生物的合成及其抗疟活性.

substituted

v. 代替，替换，代用( substitute的过去式和过去分词 )，做…的代理人，接替；

例句
Desserts can be substituted by a portion of fresh fruit...
餐后甜点可以用一份新鲜水果代替。

piperazine

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例句
In particular, the invention is concerned with amido piperazine derivatives.
具体地说, 本发明涉及酰氨基哌嗪衍生物.

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

synthesized

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例句
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.