天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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 2,4-DINITRO-5-FLUOROACETANILIDE
1548-18-1

2,4-DINITRO-5-FLUOROACETANILIDE synthesis

2synthesis methods
-

Yield:1548-18-1 140 g

Reaction Conditions:

with sulfuric acid;nitric acid at -5 - 5; for 1 h;

Steps:



137.9 g (0.9 Mol) of Intermediate 1 are added slowly to a mixture of 259 g HNO3 and 630 g of H2SO4 at - 5 to 0 °C. The mixture is stirred at 0 to 5 °C for 1 h and then added to a stirred mix of 4 I ice/water, isolated by filtration and dried under vacuum conditions to deliver 140 g of Intermediate 2

References:

WO2016/41849,2016,A1 Location in patent:Page/Page column 14

2,4-DINITRO-5-FLUOROACETANILIDE Related Search: