![](/CAS/20200611/GIF/1070773-09-9.gif)
RK-33 synthesis
- Product Name:RK-33
- CAS Number:1070773-09-9
- Molecular formula:C23H20N6O3
- Molecular Weight:428.44
![[4,4'-Bi-1H-imidazol]-2(5H)-one, 5'-amino-5-imino-1,1'-bis[(4-methoxyphenyl)methyl]-](/CAS/20200611/GIF/1070773-13-5.gif)
1070773-13-5
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![Triethyl orthoformate](/CAS/GIF/122-51-0.gif)
122-51-0
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![RK-33](/CAS/20200611/GIF/1070773-09-9.gif)
1070773-09-9
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Yield: 76%
Reaction Conditions:
with sulfuric acid in acetonitrile for 1.5 h;Reflux;
References:
Kumar, Raj;Ujjinamatada, Ravi K.;Hosmane, Ramachandra S. [Organic Letters,2008,vol. 10,# 20,p. 4681 - 4684] Location in patent:supporting information; experimental part