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 Guanidine, cyano-, (E)- (9CI)
780722-26-1

Guanidine, cyano-, (E)- (9CI) synthesis

9synthesis methods
10191-60-3 Synthesis
N-Cyanoimido-S,S-dimethyl-dithiocarbonate

10191-60-3
212 suppliers
$6.00/5g

Guanidine, cyano-, (E)- (9CI)

780722-26-1
2 suppliers
inquiry

-

Yield:-

Reaction Conditions:

in ethanol;

Steps:

2 Compound 2-1

Example 2 Synthesis of Representative Compounds Compound 2-1 To the methyl amino compound 1-7 (from Example 1, 15 mg, 0.036 mmol) in absolute ethanol at room temperature was added dimethyl cyanodithioiminocarbonate (0.072 mmol). The reaction was heated on an 80° C. hotplate in a sealed vessel for 72 hours. The reaction mixture was then purified on silica gel eluding with ethyl acetate/hexanes 1:3 (Rf=0.10). The solvent was removed in vacuo to afford the N-cyanoguanidine 2-1 as a white solid (5 mg). MS (M+1) 465.

References:

US2002/32196,2002,A1