Recent content by noxflos

Ostwald- thanks for your advice. You are correct it does take lots of practice and it is not so bad once you learn a few rules. :)

I am sorry I posted such an easy question. I was not taught how do to it and obviously a little lost. I was just looking for a little help. If it make you feel any better I did get a B on my test (no thanks to either some people's help). Again I am sorry I offended you guys.

Oh my Professor forgot to teach us how to do this crap before assigning it. Plus the book never showed questions or presented information in this format. Thanks for the help though.

Okay I am lost. My Professor has given me the formula ( C4 H8 Br2) and the signals 3.8(s, 2H) and 1.8(s, 6H). How the hell am I suppose to compose a molecule from that?? Any ideas? :biggrin:

I got it...thanks for your help...It is 75% (+) enantiomer and 25% (-).

The question reads: The optical rotation of pure pencicillin G is +206 degrees. A sample of pencillin G was found to have an optical rotation of +103 degrees. Calculate the enantiomeric excess (ee) in the mixture. I did so by: 103/203 x 100 = 50% Here is where I am lost: Next...

Thank you for your help. I met with my professor and he explained it...it was # of gauche interactions. Again thanks for your help.

In a staggered confirmation of 2,3-dimeythlbutane, how do you find the gauche number? For that matter, how do you find any gauche number for a chair confirmation? I'm having a hard time understanding it through my book's description.

Gokul43201 : Thanks for the help! :)

I had pancakes topped with fried bananas (fried with brown sugar and butter) and a an egg (scrambled). To drink was a bottle of Aquafina water.

I am doing my Organic Chem homework and need help. It asks: Draw and name all constitutional isomers with formula C9H20 which have one quaternary carbon and one or more ethyl groups (there are three). What are they and how do I find them?