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Steglich Esterification in Alkyl Gallates

Based on my research (reading some articles), some alkyl gallate syntheses used Steglich esterification instead of the usual esterification (Fischer esterification). The reason why Steglich ...
Jonathan's user avatar
  • 155
0 votes
1 answer
128 views

Is formation of cyclic carbonate from trimethyl orthoformate and vicinal aromatic 1,2-diol possible? [closed]

Hello, my question is, "is it possible cyclic carbonate formation between trimethyl orthoformate and vicinal aromatic 1,2-diol"
Sajad Khanlarkhani's user avatar
8 votes
0 answers
91 views

Mechanism of Hypervalent Iodine Phenolic Coupling

I need some help understanding the hypervalent iodine phenolic coupling reaction taking place in this synthesis of morphine, the reaction uses $\ce{PhI(OAc)2}$ as the hypervalent reagent and ...
FriendlyGlove's user avatar
1 vote
1 answer
2k views

Can we convert phenol to para-nitrophenol via nitrosophenol?

Our class 12 text book says that if we treat phenol with mixture of concentrated $\ce {HNO3}$ and $\ce{H_2SO_4}$, instead of nitration, the ring is oxidized to quinone. So, the book proposes that we ...
Archisman Panigrahi's user avatar
7 votes
1 answer
3k views

Evaluation of a synthesis from aspirin to paracetamol from this Nile Red video

Recently the YouTube chemist Nile Red performed an interesting conversion from aspirin to paracetamol Aspirin to Acetaminophen - Part 1 of 6: Extracting Aspirin from Pills using the following steps: ...
Linus Choy's user avatar
6 votes
2 answers
2k views

Suggestion for a Synthesis of Paracetamol — plausible?

I have seen a number of different plausible syntheses for paracetamol but they suffer from problems such poor regioselectivity of aromatic substitution (usually when nitrating phenol getting a mixture ...
RobChem's user avatar
  • 9,802
7 votes
1 answer
3k views

Synthesis of 2-methyl-4-nitrophenol from benzene?

Benzene first reacts with the reagents $\ce{CH3Cl/AlCl3}$, to attach a methyl ($\ce{CH3}$) group to the benzene ring. Then I suggested reacting with $\ce{OH-}$. Because the methyl group is an ...
Karen Palacios Alfonso's user avatar
5 votes
2 answers
1k views

How to esterify phenol with oxalic acid?

Is it possible to fully esterify phenol with oxalic acid in order to get diphenyl oxalate? What catalyst should I use and is the synthesis possible to perform at home with hobby equipment?
PanJanek's user avatar
  • 153
6 votes
4 answers
8k views

How are phenols made?

What is the equation and conditions for the synthesis of phenols? Would it work if we added $\ce{NaOH}$ to benzene and then refluxed?
Rohaan Nadeem's user avatar
3 votes
1 answer
2k views

Phenol protection

Would an acceptable way to protect a phenolic alcohol be through a Williamson ether synthesis? As in: 1) Deprotonating phenol with sodium hydroxide. 2) Addition of methyl iodide. 3) Deprotection ...
Dissenter's user avatar
  • 19k
12 votes
3 answers
8k views

How can we synthesize para-nitrophenol

During nitration of phenol, both para- and ortho-nitrophenols will be formed. Is there any way in which we can synthesize para-nitrophenol only?
Eka's user avatar
  • 2,758