1,1'-DIPROPYL-3,3,3',3'-TETRAMETHYLINDOCARBOCYANINE IODIDE synthesis
1synthesis methods
- Product Name:1,1'-DIPROPYL-3,3,3',3'-TETRAMETHYLINDOCARBOCYANINE IODIDE
- CAS Number:134564-83-3
- Molecular formula:C29H37IN2
- Molecular Weight:540.53
Yield:134564-83-3 4 g
Reaction Conditions:
with pyridine at 70; for 2.5 h;
Steps:
3 Coloring agent
5 g of a compound represented by Chemical Formula 100,2.7 g of triethyl orthoformate and 1.47 ml of pyridine were charged,The mixture was placed in an oil bath at 70 ° C. and heated under reflux stirring for 2.5 hours.After completion of the reaction,20 ml of pure water was added,Crystals are precipitated,After cooling, it was separated by filtration. This was dried to obtain 4 g of a compound represented by Chemical Formula 3.
References:
JP2015/4014,2015,A Location in patent:Paragraph 0069; 0070