The fabric is surface modified and has COOH groups on it.
Neither EDC nor NHS are catalysts. If they are soluble in THF, you can use them. If they are not, use a carbodiimide that is soluble in organic solvents. I would also include a proton scavenger.
Thanks for the answer, Omar. Is the mechanism for CDI same as EDC/NHS?
I need to react COOH to NH2.
If CDI is carbonyl diimidazole, then yes, it is similar to EDC (NHS is not really necessary).
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