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Questions related from Devulapally Srikrishna
Dear Members, Reaction of Acetic acid with Compound-A in the presence of Sodium acetate at 110-120 °C resulted in the formation of in-situ intermediate, N-acetylated compound-I which on further...
17 June 2025 8,600 0 View
Reaction of I with palladium acetate, 1,3-bis(dicyclohexylphosphino)propane (DCPP), K2CO3, water and NMP under 30 psi of carbon monoxide at 120 C gives II. Please explain the mechanism for the...
15 February 2022 1,627 3 View
Dear Colleagues, I am requesting you to send the following article of my research work which was published by mini-reviews in medicinal chemistry. This is a review article written by me and I am...
31 May 2017 7,260 2 View
A compound is having both NH group and OH group in its structure. When alkylation is carried out on this compound alkylation took place on NH group not on OH group. The reason may be due to...
13 April 2016 6,858 3 View
Can anyone please represent a suitable mechanism in a schematic way for the following reaction?
12 April 2016 9,998 3 View
What kind of NMR technique is used to determine the stereo chemistry of a new organic compound?
09 April 2016 9,619 9 View
I have recorded the 1H-NMR spectrum of one of my compound i.e., RCH2OH. (R=heteryl group) In the spectrum I found that proton in OH group split into a triplet due to adjacent -CH2 . But, the...
11 September 2015 2,772 7 View
Dear Colleagues, I have tried to prepare chalcone from a heterylketone by condensation with benzaldehyde in alcoholic NaOH. But surprisingly, I found another product as shown in the attached...
17 July 2015 2,120 6 View
Generally Reactions carried out in Conventional method are slow comparatively with Micro Wave Irradiation method. What is the reason for this?
31 May 2015 3,317 4 View
I have done a reaction between nitroalkene and benzyl azide in DMF using para toluene sulfonic acid as a catalyst. Can anyone please explain the mechanism for this reaction schematically?. Thank u...
17 May 2015 9,570 4 View
I have recorded High Resolution Mass spectrum for my compound in LC-QTOF MS/MS method. The obtained spectrum showing a base peak with its mass (with 4 decimals) and molecular formula and there is...
04 May 2015 1,385 13 View
What is the mechanism for the bromination of acetophenone with tetrabutyl ammoniumtribromide? Find the attached file and suggest a suitable mechanism? Thank you.
02 March 2015 4,708 12 View
I am facing difficulty to grow the crystals for my compounds (Heterocyclic compounds). Please suggest me the best method to grow the crystals.
31 January 2015 3,840 15 View
