Arun Naibi Lakshminarayana

4 Questions 12 Answers 0 Followers

Questions related from Arun Naibi Lakshminarayana

How can I solve my problem with Suzuki coupling?

Hi ! I am trying to couple a dibromoanthracene derivative with bishexyloxy benzene boronic acid using Suzuki coupling. [Please see to the attachment] The anthracene derivative is highly insoluble...

24 December 2014 4,649 10 View

How can I achieve allylic bromination? I have an incomplete reaction.

I am trying to synthesize a tetrakis (bromomethyl) anthracene derivative (as shown in the attached fig.). I am not able to brominate all the four methyl groups using NBS (4, 6 and 8 eq) in CCl4,...

19 June 2014 3,760 3 View

Solvent for Lithiation?

I need to condense alkoxyphenyl lithium with substituted anthroquinone, in-situ. But the anthraquinone derivative that I am using is insoluble in the THF. Reaction yield is too little even when...

03 February 2014 2,814 8 View

Preparation of tetrafluoro naphthoquinone/tetrachloro naphthoquinone?

I need to synthesise 5,6,7,8-tetrafluoro naphthoquinone or 5,6,7,8-tetrachloro naphthoquinone. Any suggestions for the synthesis of either of these chemicals ?

09 December 2013 4,031 2 View