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12:09 AM
1
Q: Is there a symbol or representation for tolyl groups as there is for the phenyl group?

Eduardo L. GutiérrezIs there a symbol or representation for tolyl groups as there is for the phenyl group? Phenyl group is often represented by "Ph" when for a matter of space you can not draw the entire benzene group. Is there any accepted or extended representation for a tolyl group?

 
 
3 hours later…
3:33 AM
1
Q: Would it be safe to melt plastic bottle caps and remold them into a form?

PamelaEver since I got a dog who loves to sniff and chew most things that come across her path, I have been hyper-aware of plastic bottle caps thrown onto the street/sidewalks/grass/etc. Most caps are HDPE 2 and HDPE 5. I have been collecting for a year now and wonder if I could safely melt the caps an...

 
 
9 hours later…
12:38 PM
3
Q: Difference in 13C NMR spectrum

ShiraThe tasks proposed in Spectroscopy challenge, I found out two structures which mostly similar in allylic moiety, the contradiction is presented below: Considering two carbons of the alkene bond, it could be easily seen that while the mesomeric effect contributes to the deshielding of beta-carbo...

 

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