SAI Life Sciences QC Chemist Interview Questions and Answers

Q1. Which type of catalyst used for coupling reaction
Ans. 
Various types of catalysts can be used for coupling reactions, including transition metal catalysts, organometallic catalysts, and biocatalysts.
• Transition metal catalysts, such as palladium, nickel, and copper catalysts, are commonly used for coupling reactions.

• Organometallic catalysts, such as Grubbs catalysts or Schrock catalysts, can also be employed in certain coupling reactions.

• Biocatalysts, such as enzymes, can c...read more
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Q2. Conversion to cyano to amine, cyano to aldehyde, alcohol to amide, alkynes to aldehyde.
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My interview conducted on vertual mode

Q1. Oxidation reduction base
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Q2. Function group interconversion
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Q3. Spectroscopy NMR IR most of q
Ans. 
Spectroscopy techniques NMR and IR are commonly used in chemistry research and analysis.
• NMR (nuclear magnetic resonance) spectroscopy is used to determine the structure and composition of molecules by analyzing their magnetic properties.

• IR (infrared) spectroscopy is used to identify functional groups in molecules by analyzing their absorption of infrared radiation.

• Both techniques are non-destructive and can be used to ...read more
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Written exam of subject

Q1. Reactions , NMR, purification techniques,
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Q2. Griganrd reaction, reducing agents ,
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Q1. What is the role of died mitsnubu reaction?
Ans. 
The Dieckmann condensation or Dieckmann cyclization is a chemical reaction used to form a cyclic molecule from a diester.
• The reaction involves the formation of a cyclic molecule from a diester through intramolecular nucleophilic substitution.

• It is named after German chemist Walter Dieckmann.

• The reaction is commonly used in the synthesis of cyclic ketones and lactones.

• The reaction can be catalyzed by both acids and base...read more
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Q2. What is Buchwald coupling
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Buchwald coupling is a palladium-catalyzed cross-coupling reaction used to form carbon-carbon bonds.
• Buchwald coupling is a type of cross-coupling reaction in organic chemistry.

• It involves the use of a palladium catalyst to form carbon-carbon bonds.

• The reaction typically involves an aryl halide or pseudohalide and an organoboron compound as reactants.

• Buchwald coupling is widely used in the synthesis of pharmaceuticals, ...read more
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Q1. All named reactions,pyrophobic chemicals, oxidation reactions, reduction reactions
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Q1. What is your family background?
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Q2. Share deatail of your previous
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Q3. Why are you looking for a change?
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Q1. Why should we hire you?
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Q1. Why thise position applied ,iam implemented to more then process , and ideas given process in centrifuge
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Q2. Why thise given package
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Q3. Why thise given chance
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Q4. Why this opportunity given
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