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
400-158-6606
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-HYDROXYACETAMIDE
598-42-5

2-HYDROXYACETAMIDE synthesis

9synthesis methods
-

Yield:598-42-5 94%

Reaction Conditions:

with urea at 160; for 3 h;Reagent/catalyst;Temperature;

Steps:

1-4; 1-3; 5 Preparation of ethanolamide:

Add 450g of methyl glycolate, 100g of urea and 15g of the obtained solid-liquid composite catalyst (5g of platinum-based solid catalyst-10g of tetraethyl titanate liquid) into a three-necked flask, raise the temperature to 160°C, react for 3 hours, and proceed with stirring ,As shown in Figure 3.After the reaction was completed and cooled, filtered and analyzed, the yield was calculated, and the yield of ethanolamide was 94%.

References:

CN112608244,2021,A Location in patent:Paragraph 0047; 0050-0052; 0055-0057; 0059-0060; 0062-0063

2-HYDROXYACETAMIDE Related Search: