Md Rejaul Hoq

7 Questions 14 Answers 0 Followers

Questions related from Md Rejaul Hoq

NIRF imaging agent labeling . How to conjugate DiR with nanoparticle?

x1,1-dioctadecyl-3,3,3,3 tetramethylindotricarbocyanine iodide (DiR) is NIRF imaging agent. I was trying to see how can I conjugate this agent with particle? if anybody can provide reference, it...

03 May 2018 8,715 1 View

Why don't I get any spectra for Carbon NMR of fluorinated Carbon ?

I am trying to take Carbon NMR of one of my new compounds having pentaflurobenzene ring in it. If I run Carbon NMR I got Carbon for all carbon of compound but I dont get fluorinated Carbon of...

03 October 2014 2,750 4 View

What is best solvent for imine formation (Schiff synthesis, SN2 type reaction)?

My ammine part is only dissolved in DMSO and Aldehyde is dissolved in acetone, chloroform, methanol and others. What solvent should I use to form my desired imine? Can I use DMSO? WIll that may...

26 June 2014 5,854 20 View

How can I synthesize 5,5'-dicarbaldehyde-2,2'-bipyridine from 5,5'-dimethylbromo-2,2'-bipyridine in a one step reaction?

I synthesized 5,5'-dimethylbromo-2,2'bipyridine from 5,5'-dimethyl-2,2'bipyridine. Now I want to synthesize 5,5'-dicarbaldehyde-2,2'-bipyridine from 5,5'-dimethylbromo-2,2'-bipyridine in a one...

20 March 2014 1,080 18 View

How Can I synthesize 5,5'-dicarbaldehyde-2,2'-bipyridine from 5,5'-dimethyl-2,2'-bipyridine in one step reaction ?

If I get 2,9-dialdehyde-1,10-phenanthroline from 2,9-dimethyl-1,10-phenanthroline by oxidizing with SeO2, why it is not possible for 5,5'-dicaldehyde-2,2'-bipyridine from...

18 February 2014 6,044 5 View

Is that H-atom attached to N reactive enough to do reaction with Formmaldehyde and Aniline?

C=N-NH-C(=S)-SCH2CH3 is attached to two sides of a Big 3 ring Aromatic Comound. Is that H-atom of NH is reactive enough to react with formaldehyde and Piperidine ?

31 January 2014 8,887 0 View

Why Diiodomethane, 1,3-Diiodopropane, 1,6-Diiodohexane Does not react with Hydrazine Hydride and Carbondisulfide where MethylIodie does?

The following reaction is possible: CH3I+ CS2+ NH2NH2= NH2NH-C(S)-S-CH3(Solid Precipitate) But If I do the same reaction with ICH2I+ CS2+ NH2NH2= it does not give any desired product. TLC and NMR...

16 January 2014 8,038 8 View