ECHEMI.com logo
ECHEMI Slogan: Provide Better Products and Services
Community
Sign in | Join free
Home > Community > How convert methoxy group of vanilin to hydroxy group
Upvote

29

Downvote
+ Chemical reactions
+ Chemical reaction engineering
+ Organic chemistry
Posted by
Abdul Sami

How convert methoxy group of vanilin to hydroxy group

Charles Barnard  Follow

https://www.erowid.org/archive/rhodium/chemistry/methylenation.html

More

Upvote

VOTE

Downvote
Andrew Curl  Follow

BBr3


More

Upvote

VOTE

Downvote
Cary Mcdonald  Follow

I would go with BBr3
Synthetic Communications, 41(8), 1127-1140; 2011

More

Upvote

VOTE

Downvote
Bob Sutterfield  Follow

seems I did it with aq. HBr/heat:
http://www.degruyter.com/dg/viewarticle.fullcontentlink:pdfeventlink/$002fj$002fhc.1996.2.1$002fhc.1996.2.1.13$002fhc.1996.2.1.13.xml?t:ac=j$002fhc.1996.2.1$002fhc.1996.2.1.13$002fhc.1996.2.1.13.xml

More

Upvote

VOTE

Downvote
Charles Farquhar  Follow

BBr3 is used for the conversion of methoxy group to hydroxyl group

More

Upvote

VOTE

Downvote
Colten Brewster  Follow

Dear Vasant,
the following reagents are used for vanillin demethylation (from-OCH3 to OH):
Vanillin Demethylation (Pyridine/AlCl3)
Vanillin Demethylation (Nitrobenzene/AlBr3)
https://www.erowid.org/archive/rhodium/chemistry/methylenation.html
Hoping this will be helpful,
Rafik

More

Upvote

VOTE

Downvote
Daily Morning Brief

2026-07-27

1
Mativ Holdings Inc. Stock Price Update
2
Albemarle Stock Trades Around Recent Lows as Lithium Prices Weigh on Earnings Outlook
3
Linde Stock Rises on Strong 2025 Results and 2026 Guidance
4
Ecolab Stock Trades Steadily as Water and Hygiene Demand Supports Earnings
5
London Co. of Virginia Purchases New Holdings in Hawkins, Inc.
View All

Related Posts

How can one prepare 6M of sulphuric acid? image
How can one prepare 6M of sulphuric acid?
20  Upvotes · 1 Comments
What is best method to remove pyridine from a reaction mixture? image
What is best method to remove pyridine from a reaction mixture?
21  Upvotes · 0 Comments
What is the correct IUPAC name for CuHCO₃? image
What is the correct IUPAC name for CuHCO₃?
15  Upvotes · 1 Comments
Whats the name of
Whats the name of "CH3(CH2) 3CH2OH"?
12  Upvotes · 1 Comments
In an experiment involving the reaction shown below, 150 cm3 of F2 reacts with 100 cm3 of Cl2. 3F2(g) + Cl2(g) → 2Cl F3(g) On completion of the reaction, what is the final gaseous volume at the same temperature and pressure? image
In an experiment involving the reaction shown below, 150 cm3 of F2 reacts with 100 cm3 of Cl2. 3F2(g) + Cl2(g) → 2Cl F3(g) On completion of the reaction, what is the final gaseous volume at the same temperature and pressure?
33  Upvotes · 0 Comments
A 118.0 g sample of a compound contains 72.0 g of C, 18.0 g of H, and 28.0 g of N. What is the empirical formula of the compound? image
A 118.0 g sample of a compound contains 72.0 g of C, 18.0 g of H, and 28.0 g of N. What is the empirical formula of the compound?
35  Upvotes · 0 Comments
Is resorcinol soluble in sodium hydroxide? image
Is resorcinol soluble in sodium hydroxide?
30  Upvotes · 0 Comments
Copyright@Qingdao ECHEMI Digital Technology Co., Ltd.
TOP