If it is so, that even a LAH reduction can be done without damaging the aromatic halogen, then what is wrong with adding the halogen to the benzaldehyde and then proceeding as one wishes. For example, the use of Ca(OCl)2 will only monochlorinate. I would like to know, because it seems there is some reason behind all this I haven't been able to find out. Oh, and there are countries where 2,5-DMA is illegal but DOC is not.
understanding is everything