If it was me I would thouroughly was and scrub my hunting boots with baking soda really good and then air dry then walk in without the coon scent.
They could possiby be relating the coon scent to that of a hunter who didn't use it properly and got busted and now the deer are wise to it in your area.
I guess another way in to your stand is out. There isn't really a way to have a deer not smell where ya walk. If my dog can track me in the woods with rubber boots on then I know the deer can as well.

One thing that has worked for me against my dog and the deer is a military chemical suit. Being in the military I have a couple and they work better then any scent-lok suit there is because of how thick they are and all the carbon in the suckers, the only thing is they're the old woodland pattern. I have had deer walk so close to me I could of touched them. I swear. But anyway since I have extra I cut one up and made like bootys to put over my boots while walking to my stand. Like boot wraps. Very effective, but I only do it when the deer are sensitive to foot traffic cause I kinda look like an idiot.