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justbehappy
  • Member for 9 years, 4 months
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16 votes
1 answer
2k views

Neighbouring group participation with and without retention of configuration in nucleophilic substitution of 2,6-dichloro-9-thiabicyclo[3.3.1]nonane

15 votes
1 answer
25k views

Mechanism for chloromethylation of benzene with formaldehyde and HCl

10 votes
3 answers
5k views

Is a quinone ring aromatic?

8 votes
1 answer
344 views

How to explain this acid-catalysed acetal rearrangement mechanistically?

7 votes
1 answer
2k views

The mechanism of demethylation of a quaternary ammonium

7 votes
2 answers
12k views

How to calculate the entropy change of benzene when it changes from vapour into liquid?

7 votes
1 answer
1k views

How to determine the most reactive hydroxyl group of α-ᴅ-glucopyranose?

6 votes
1 answer
2k views

Is a pyrylium ring aromatic?

6 votes
1 answer
734 views

Diastereoisomer of quinic acid and its proton NMR?

5 votes
1 answer
168 views

What is the problem with forming 2,3-dimethylcyclohex-2-en-1-one?

5 votes
1 answer
2k views

Explain the enolisation process of 5,8-dihydroxynaphthalene-1,4-dione

5 votes
1 answer
2k views

Mechanism for synthesising azetidine

5 votes
1 answer
861 views

Differences in Gibbs activation energies for rotation around a bond

4 votes
2 answers
483 views

How to determine the configuration of an propargylic alcohol?

4 votes
1 answer
386 views

What is the mechanism for this nucleophilic conjugate addition?

4 votes
2 answers
248 views

Regioselectivity in nitration of a 1,2-disubstituted aromatic compound

4 votes
3 answers
2k views

What is the enol form of 4-methylcyclohex-2-en-1-one?

4 votes
2 answers
268 views

How does this brominated intermediate lose its methyl group?

3 votes
1 answer
241 views

What is the reason for enantiomerically pure ketone reaction under acidic conditions giving a 1:1 mixture of diastereoisomers?

3 votes
1 answer
2k views

Deducing compounds from spectroscopic data for isomers of formula C4H8O

3 votes
1 answer
4k views

Propose a reaction mechanism that explains the rate law for the formation of dinitrogen pentoxide

2 votes
1 answer
181 views

Why highly unstable cyclic boron compounds should be stabilised by two electron reduction?

2 votes
1 answer
4k views

What is the industrial yield of paracetamol?

2 votes
1 answer
2k views

What is the mechanism for the double bond migration in 4-methylcyclopent-2-en-1-one?

2 votes
2 answers
10k views

Self aldol condensation of butanal under basic conditions

0 votes
1 answer
1k views

Explain the difference in stability of permanganate ions in acidic/ alkaline solutions?

-1 votes
1 answer
2k views

What is the preferred IUPAC name of 4-propionyl biphenyl? [closed]