Sivaraman Somasundaram

9 Questions 14 Answers 0 Followers

Questions related from Sivaraman Somasundaram

Anyone faced issue in Vismeier-Haack formylation of trimethoxy benzene?

I am trying to synthesis 2,3,4-trimethoxy benzaldehyde from 1,2,3-trimethoxy benzene using POCl3 and DMF. After isolation of crude product, I observed an UV-inactive, Iodine active polar spot in...

30 November 2022 434 0 View

Composition of Stabilized oxy chloro complex?

Hello, I would like to know the composition of stabilized oxy chloro complex (SOC) which is being used in ophthalmic solutions as preservatives. Also, I am curious to know about any interaction...

10 October 2021 1,704 3 View

How to estimate the singlet and triplet energies of an organic molecules experimentally?

I would like to estimate the singlet and triplet energies of my spiro based semiconductor molecules. Some literature says it can be done from low temperature PL, spectra. But, even there is a...

05 December 2019 1,733 1 View

Additives in organic solar cells?

Why additives are used in organic solar cells? Do they really participate in enhancing the performance? Don't they go off during drying or annealing? How their existence can be ensured after these...

27 March 2019 6,669 4 View

What is the excitation rate of an organic semi-conductor molecule under solar irradiation?

Hello researchers, What could be the excitation rate (in Hz) of a common organic dye/organic semiconductor molecule under sunlight? Could it be around 1000Hz or not? Also, if the molecule has 2...

24 July 2018 8,651 3 View

Does anyone have experience in debus-radziszewski imidazole synthesis?

I am trying to synthesis 1,2,4,5-tetrasubstituted imidazole with diketone, aldehyde, ary-triamine and ammonium acetate in acetic acid. But when I use acetic acid as solvent only one amine group is...

21 April 2017 7,830 3 View

Should I use Buchwald reaction or Ullman reaction?

Am trying to do C-N coupling between phenoxazine and 4-bromo aniline by buchwald and ullman reactions. Used many conditions and ligands; but reaction not proceeds. Please suggests any...

09 July 2015 7,187 10 View

Hi, Can anyone help me to isolate my compound from aqueous solution?

I'm synthesizing Pyridin-2-yl-1,3, 4-thiadiazol-2-amine. While doing, I suspect that it's in the form of it's HCl salt in aqueous solution. Trying to get the product by basifying with NaOH. But...

09 April 2015 798 26 View

How can we detect methane sulphonic acid content in an API molecule?

We have synthesized an API molecule. We are trying to evaluate the methane sulphonic acid content at 50 ppm level. Please suggest some method and its development to assay it.

16 June 2014 8,787 1 View