Nitika Grover

8 Questions 8 Answers 0 Followers

Questions related from Nitika Grover

How to purify the Indigo?

I am trying to prepare Indigo using Baeyer–Drewson method. However, the NMR spectrum in DMSO shows the presence of a side product along with Indigo. How can i purify the material

07 October 2022 3,212 4 View

How to calculate excited state potentials for (Metallo)porphyrins ?

I am trying to do some photochemistry with porphyrin derivatives.

15 September 2022 7,118 2 View

Is It possible that amine at para phenyl position of Zn(II) porphyrin can interact with Zn(II) of another porphyrin ?

I am trying to prepare amine functionalized porphyrin and proton nmr shows some weird shift. Is it due to intermolecular interaction ?

16 January 2019 2,946 3 View

How to demetallate trans Chlorins ?

during demetallation of chlorins using sulphuric acid we obtain multiple products. which acid we can use to demetallate those chlorins?

06 March 2017 4,664 1 View

Which atom in an Imidazole ring acts as a better nucleophile: the NH or the CH between the two Nitrogens?

Which atom in an Imidazole ring acts as a better nucleophile: the NH or the CH between the two Nitrogens? Does an Imidazole ring contain an Active Methylene Group?

10 April 2015 2,478 13 View

How can beta nitro of porphyrin be converted into amine?

I have tried with SnCl2/HCl but always end up with precursor. Can I use Pd/C or any other procedure ? pl suggest me.

26 March 2015 1,990 6 View

Can anyone comment on Cu hyperfine coupling in Cu-porphyrin complexes?

I have taken EPR of Cu-porphyrin complexes. Can anyone suggest how peaks will split according to their structure (saddle or ruffle distortion)?

20 March 2015 3,977 7 View

What could have caused the error code "l914.exe" when performing a TDDFT calculation of a porphyrin molecule using Gaussian?

i thought memory allocation problem was there but %mem command failed to solve the purpose

11 March 2015 3,593 2 View