Synthesis of butoxybenzene using phenol and bromobutane, which solvent do I need, what quantity and which catalyst do I need, for what yield?

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What can explain this agregation in the culture?

Hi all, I would like to know what could cause this type of agregation in the liquis culture of Chlorella sorokiniana with Glucose as carbon source. I have seen this behavior in other flasks in...

09 October 2018 2,355 2 View

How to measure the water content in raw materials without monograph in pharmacopoeias?

I need to know, wich is the suggest method for measure the water content in a raw material (Diminazene diaceturate) that doesnt have official monograph. Thanks

10 November 2016 9,064 3 View

How can I make a salt bridge with unflavored gelatin?

I would like to know any recipe to made an Salt Bridge using unflavored gelatin. Thanks

02 March 2015 5,620 2 View

I want to know a good methodology to characterize microalgae in fresh water?

I'm looking for a method to characterize micro algae in freshwater in tropical weather (Cali-Colombia).

08 September 2013 3,716 1 View

Does anybody know an efficient method to extract rosmarinic acid from Rosmarinus officinalis?

I've tried to extract rosmarinic acid using a few methods and I wasn't successful. I used the method of the British Phamacopeia and it doesn't function, solvent extraction (using Methylene...

10 November 2012 7,867 3 View

Research blog discussion

What do you think about create a group or discussion groups for talk about wrong results in the research that we are develop to see potential improve points that research couldn't see.

01 January 1970 7,465 2 View

Second Hand Laboratory Equipments

I'm planning to start with a project of a laboratory that makes microbiological analysis to food industry. I'm plan to buy some second-hand equipment to make less hard the initial investment. Is...

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• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

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Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

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How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

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Separation of organic acids-HPLC?

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07 August 2024 8,782 3 View

How to convert g/kg Humic acid dose to kg/ha?

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How to improve peaks separation in HPLC?

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Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

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How can I use DFT-D3 correction ( Siesta version 5.0.1)?

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EDC carbodiimide and NHS easter 's half life among different pH?

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Mechanochemistry: ball to powder mass or ball to powder volume?

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23 July 2024 9,938 1 View

Mallikarjun Reddy

phenolic OH is highly acidic, so u can use 1N NaOH in DIoxane at RT might be suitable condition

Esteban Gonzàlez Rodriguez

Guys thank you very much, your replies have been too useful.

Rajesh S Kenny

See synthesis of drugs in www.drugsyn.org

Try K2CO3 and Butylbromide in DMF, or THF using some PTC