午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

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