Organic Chemistry

Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, composition, reactions,... | Contact experts in Organic Chemistry to get answers

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Questions related to Organic Chemistry

How to reduce NO2 to NH2 without affect any other group in following reaction?

Hi, I have to reduce the NO2 group to NH2 group in the following reaction. Kindly suggest some good catalyst to reduce the NO2 to NH2 group without affecting any other position.

12 December 2017 1,476 42 View

Can i use AlCl3 a catalyst for cyclization reaction?

Aim of my work is to synthesis of Molecule 2 (Fluoroquinolone) using diphenyl ether as catalyst. Even after several attempts the molecule 2 fails to form due to deactivation of para position by...

12 December 2017 2,315 14 View

What is the FT-IR frequency range for an active methylene group in an ethyl acetoacetate compound ?

I am looking for the frequency range for the active methylene groups between the ester and the carbonyl groups in an acetoacetate functionality.

12 December 2017 9,940 3 View

The Raman stretching vibration around 514 and 913 cm-1 corresponding to what?

I did Raman spectrum of dimethyl carbonate ( (H3CO)2C=O ) and got two peaks at 514 and 913 cm-1. The molecule of dimethylcarbonate contains C=O group, CH3 group, OCH3 group and these groups have...

11 December 2017 8,770 3 View

What are the Optimized ESI-Mass parameter in order to achieve Maximum sensitivity?

1. Currently I am running the ESI-MS under these parameter & I just want to make sure that these parameters are accurate for proper & long time functioning of ESI-MS instrument. Right Now...

27 November 2017 3,676 4 View

Whether a tauc plot is suitable for organic molecules to find the band gap...?

A reviewer suggests that "The Tauc plot is only valid for semiconducting materials", and I did not have any idea about the conducting nature of my organic material since it is not my interest. I...

19 November 2017 6,235 6 View

P-aminobenzoic acid doesn't dissolve in HCl solution after cooling?

I met this problem when making diazonium salt from p-aminobenzoic acid. 0.02 mol of p-aminobenzoic acid (PABA) was added to the HCl solution ( 5 ml of concentrated HCl in 35 ml of water). The...

14 November 2017 3,217 5 View

Which type of photoisomerization process is likely to proceed for imine dyes with salicylaldehyde (ortho-OH benzaldehyde) group?

Whenever double bonds, such as C=N, C=C, N=N are presented, dyes may have photochromic properties and can be confirmed by light irradiation. By identifying another long-lived/reversible peak in UV...

11 November 2017 6,120 1 View

What are the Optimized ESI-Mass parameter in order to achieve Maximum sensitivity?

1. Currently I am running the ESI-MS under these parameter & I just want to make sure that these parameters are accurate for proper & long time functioning of ESI-MS instrument. Right Now...

11 November 2017 906 4 View

Does Vibrational Circular Dichroism (VCD) require the presence of a chromophore or a group with distinct IR absorption?

I have diterpene pyrones with 6 stereocenters. The molecules have a strong alpha pyrone chromophore as well as 2 carbonyls. However, at least 4 of them are far from those chromophores ? Would that...

11 November 2017 7,607 4 View

Whether a tauc plot is suitable for organic molecules to find the band gap...?

A reviewer suggests that "The Tauc plot is only valid for semiconducting materials", and I did not have any idea about the conducting nature of my organic material since it is not my interest. I...

11 November 2017 1,171 6 View

Why are no bubbles produced during catalytic transfer hydrogenation with Pd/C?

I am working on reducing an aromatic nitro group to amine and have tried SnCl2 and Fe systems without much luck. There are literature examples of this compound being reduced by H2 gas with Pd/C...

11 November 2017 7,165 4 View

How do I remove all background colors in ImageJ so I can just see grass to get SA?

I have images of erect grasses and sedge in a wind tunnel (2 example pictures attached) and I need to get the surface area of those plants. All my pictures are taken upwind in a wind tunnel and...

10 November 2017 6,232 5 View

Why are no bubbles produced during catalytic transfer hydrogenation with Pd/C?

I am working on reducing an aromatic nitro group to amine and have tried SnCl2 and Fe systems without much luck. There are literature examples of this compound being reduced by H2 gas with Pd/C...

01 November 2017 3,819 3 View

How to search AIST Database with chemical shifts?

Can anyone tell me how to search AIST database with proton/carbon NMR chemical shifts? Before I tried, but in the long run failed to get the suggested chemical structure. Your cooperation would...

30 October 2017 9,325 3 View

Best way to dry p-toluenesulfonic acid monohydrate?

I have some PTSA Monhydrate and would like it dry so that I can know more precisely the ratio of g PTSA:mL H2O. Azetropic Drying with Toluene has been my best idea so far but I figured I could ask...

12 October 2017 3,058 2 View

Ho do I create a checkpoint file with Gaussian 09 from an existing structure without redoing it?

I did some DFT calculations with Gaussian 09 that took about two weeks each and I forgot to create a checkpoint file .chk. Is there any way to create a checkpointfile for this structure without...

11 October 2017 2,892 4 View

Why we should use pocl3/pcl5 mixture in chlorination of pyrimidine and not only pocl3 ?

Why we should use pocl3/pcl5 mixture in chlorination of pyrimidine and not only pocl3 

10 October 2017 9,914 7 View

Neutralization after working with Phenol?

After working with phenol what is the best way to clean the glassware contaminated with Phenol? is neutralizing them with 1M NaOH a good idea?

10 October 2017 7,665 2 View

How to search AIST Database with chemical shifts?

Can anyone tell me how to search AIST database with proton/carbon NMR chemical shifts? Before I tried, but in the long run failed to get the suggested chemical structure. Your cooperation would...

10 October 2017 3,350 3 View

What is the appropriate reagent that reduce amines in carbonyl compunds?

like if I want to reduce Cyanide (CN) in 2-(3-oxocyclohexyl)malononitrile what is the suitable reagent for that?

10 October 2017 4,054 0 View

Using microcrystalline Cellulose in a synthesis?

I want to use cellulose in a synthesis but looking through manufacturer's websites to buy it , all i can find is Cellulose microcrystalline . as far as i know microcrystalline cellulose is...

10 October 2017 9,900 5 View

Is it possible to make water soluble fulvene?

For cancer herapy

10 October 2017 861 0 View

Why we should use pocl3/pcl5 mixture in chlorination of pyrimidine and not only pocl3 ?

Why we should use pocl3/pcl5 mixture in chlorination of pyrimidine and not only pocl3 

03 October 2017 7,817 6 View

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