Sarahisme Posted May 12, 2005 Share Posted May 12, 2005 lol i need to know if am doing this right....vitally! (ok thats not the right word, maybe quickly? i dunno anyways, i'm rambling...) the question is: "identify the functional groups present in indigo" i would say there are the CO and NH functional groups (whatever the names of them are?) how far off am i? lol or right on the money? (hopefully! ) this is the structure: Link to comment Share on other sites More sharing options...
YT2095 Posted May 12, 2005 Share Posted May 12, 2005 CO and NH would be Carbonyl and Amine respectively, either of these are reasonably easy to (dis/re)place. Link to comment Share on other sites More sharing options...
Primarygun Posted May 12, 2005 Share Posted May 12, 2005 Carboxyl group and Amino group? Link to comment Share on other sites More sharing options...
YT2095 Posted May 12, 2005 Share Posted May 12, 2005 Carboxyl group and Amino group? quite possibly, I tend to think in INorganic terms, I`m no ORGO chemist, I`m learning slowly though would I be wrong in saying it LOOKS like some sort of Di-Pentane structure with aromatics? Link to comment Share on other sites More sharing options...
Primarygun Posted May 12, 2005 Share Posted May 12, 2005 I don't know whether the names "carboxyl group" and "amino group" can be applied in other structures other than protein and peptides. Link to comment Share on other sites More sharing options...
Bluenoise Posted May 13, 2005 Share Posted May 13, 2005 You may be expected to include the double bond between the two five membered rings as a functional group as well. "Alkene" Link to comment Share on other sites More sharing options...
Bluenoise Posted May 13, 2005 Share Posted May 13, 2005 I don't know whether the names "carboxyl group" and "amino group" can be applied in other structures other than protein and peptides. They definatley can be applied to other structures. However there is no carboxyl group present here. Carboxyl is COOH, carbonyl is CO. I also forgot to mention the two benzene rings, they count as function groups. The correct answer would be "amino", "carbonyl", "double bond", as well as the "benzene" ring functional groups. Eventhough the benzenes are so highly deactivated in this molecule you might not be expected them to be mentioned, they are still functional groups. *Sorry for the double post* Link to comment Share on other sites More sharing options...
budullewraagh Posted May 13, 2005 Share Posted May 13, 2005 you have two secondary amines, two carbonyl groups, two phenyl groups and dont forget the fact that there is the alkene bond Link to comment Share on other sites More sharing options...
Bluenoise Posted May 13, 2005 Share Posted May 13, 2005 "two phenyl groups" I'm pretty sure that phenyl is used only for benzene rings substituted at only one postition. I don't think it applies to fused heterocyclic compounds. Aromatic ring or benzene ring would be more accurate. Link to comment Share on other sites More sharing options...
Sarahisme Posted May 13, 2005 Author Share Posted May 13, 2005 thanks everyone Link to comment Share on other sites More sharing options...
Crash Posted May 13, 2005 Share Posted May 13, 2005 Aromatic Carbonyl Amine Alkene I'm pretty sure that phenyl is used only for benzene rings substituted at only one postition[/b']. I don't think it applies to fused heterocyclic compounds. Aromatic ring or benzene ring would be more accurate. Too right Link to comment Share on other sites More sharing options...
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