Shaima Ibraheem Chyad Al-khazraji

12 Questions 20 Answers 0 Followers

Questions related from Shaima Ibraheem Chyad Al-khazraji

What is the best way to convert aromatic carboxylic acid derivatives into1,3,4-oxadiazole?

I need references for the most appropriate method to follow for synthesis 1,3,4 -oxadiazole from reaction aromatic carboxylic acid derivatives with hydrazine -hydrate.

01 January 1970 7,223 11 View

Which is the most appropriate method to follow for Siloxy derivatives Synthesis?

Can any one give me the methods or article.

01 January 1970 8,767 13 View

Synthesis and characterization of penta- heterocyclic compounds ( thiazole ) derived from aromatic amine

methods for preparations

01 January 1970 2,958 6 View

How to grow acrystals of organic compounds containing Oxazepine or Indoline units ?

Ihave used many solvents till now I could not succeeded. 1.Ethanol 2. Acetone and Dichloromethane 3. Petroleum ether and Ethylacetate 4.Methanol 5.Choroform and benzene 6. Toulene

01 January 1970 8,037 2 View

Cananyone helpme suggestion about choose most appropriate chart for the oxazepine compound by mass technique?

IKnow that is possible to determine the chemical structure of oxazepine by mass spectrometry

01 January 1970 8,933 1 View

Which is the most appropriate method to follow for synthesis 1,3-thiazole ?

Can an one give me article for reaction 4-hydroxy or 4- amino acetophenone and thiourea in the presence of IODINE as solvent can instead of iodine in other solvent such as ethanol .......

01 January 1970 10,004 4 View

Which is the most appropriate methods to follow for synthesis new cyclic compounds from acetophenone derivatives?

I need the most appropriate method to follow for synthesis heterocyclic compounds

01 January 1970 9,687 2 View

What is the best way to convert aromatic carboxylic acid derivatives into1,3,4-oxadiazole?

I need references for the most appropriate method to follow for synthesis 1,3,4 -oxadiazole from reaction aromatic carboxylic acid derivatives with hydrazine -hydrate.…

01 January 1970 7,716 5 View

Can any one give me the reason s from uses anhudrous sodium actate instead of sodium acetate for cyclization thiosemicarbazide ?

I need the difference from using CH3COONa without hydrate molecule in the cyclization thiosemicarbazide with mono chloroacetic acid.

01 January 1970 317 4 View

What is the best way to convert THIOL group to hetero cyclic compounds ?

I need references for the most appropriate method to follow for synthesis triazole from reaction thiol compounds with ethyl chloro acetate.…

01 January 1970 7,292 0 View

I have two functional groups OH and NH-NH2 in may compound 4- hydroxybenzoylhydrazine which more reactive to synthesis oxadiazole?

Can any one suggestion for synthesis oxadiazole from reaction 4-hydroxy benzoyl hydrazine with dimethyl dichlorosilane then react it with appropriate 4-alkoxybenzoicacid and phosphorus oxychloride...

01 January 1970 8,421 2 View

Can some one give me suggestions for Industrial application for siloxy derivatives?

I follow for synthesis siloxy derivatives from reaction 4-hydroxy benzoyl hydrazine ,pyridine in dry acetonitrile was added dimethyl dichlorosilane(dropwise) to give intermediate compound followed...

01 January 1970 1,686 0 View