Scifinder is a good tool. But I find it's not good for everything. I had some problem using it searching some well-established methods. In this case, there were too many informations poping out. It's very different to dig the right thing out by refining the results.
Personally, I'll recommend Myer's Chemistry 115 and organic-chemistry portal if you are searching some well-established methods. After you have an idea about what direction you are going to look into, you can use scifinder to get the exact literature you need.