一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Primidone
125-33-7

Primidone synthesis

6synthesis methods
Primidone, 5-ethyl-5-phenylhexahydropyrimidinedione-4,6 (9.2.1) is synthesized by reacting ethylphenylmalonic acid diamide with formamide [5,6]. An alternative method is the electrolytic reduction of phenobarbital or the catalytic reduction of the appropriate 2-thiobarbituric acid [7].

-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 44 percent / 17 h / 22 °C / Irradiation
2: 42 percent / butan-1-ol / 17 h / 22 °C / Irradiation

References:

Paluchowska;Bojarski [Archiv der Pharmazie,1988,vol. 321,# 6,p. 343 - 344]

FullText

Primidone Related Search:

海丰县| 会昌县| 淳化县| 新野县| 屏东市| 罗源县| 西峡县| 南丹县| 峨眉山市| 翼城县| 交口县| 睢宁县| 鞍山市| 徐州市| 东城区| 玛纳斯县| 宣威市| 临沭县| 榆树市| 石屏县| 乐平市| 怀仁县| 黎平县| 法库县| 潮安县| 旅游| 崇阳县| 微博| 宜城市| 鹿泉市| 丰城市| 资中县| 遂昌县| 赤壁市| 天水市| 松溪县| 双流县| 若尔盖县| 永清县| 泊头市| 松阳县|