278878 From which of the following reaction primary amine is produced ?

278869 Identify the major product from the following reaction sequence

1

2

3

4

278881 What is $A$ in the following reaction?

1

2

3

4

278890 The product of the following transformation is

278878 From which of the following reaction primary amine is produced ?

278869 Identify the major product from the following reaction sequence

1

2

3

4

278881 What is $A$ in the following reaction?

1

2

3

4

278890 The product of the following transformation is

278878 From which of the following reaction primary amine is produced ?

278869 Identify the major product from the following reaction sequence

1

2

3

4

278881 What is $A$ in the following reaction?

1

2

3

4

278890 The product of the following transformation is

278878 From which of the following reaction primary amine is produced ?

278869 Identify the major product from the following reaction sequence

1

2

3

4

278881 What is $A$ in the following reaction?

1

2

3

4

278890 The product of the following transformation is