Probably depends on the chem and how research-oriented it is too. Industrial or analytical chem, you're talking about stuff which ain't going to change much so knowing it inside and out will only help. More experimental disciplines, was a different story in my experience
Corey's first day in the job in a pharm company;
"Okay Corey, welcome aboard. We'll take it easy on you first up, need you to do a lit review, blah, blah, ya know."
*Goes to computer, googles 'how to do a lit review'*