91006 The major product of the following reactions is:

1

2

3

4

91008 The major product $Y$ in the following reaction is:

1

2

3

4

91009 The major product obtained in the given reaction is:

1

2

3

4

91011 The compounds $A$ and $B$ in the following reaction are, respectively

91006 The major product of the following reactions is:

1

2

3

4

91008 The major product $Y$ in the following reaction is:

1

2

3

4

91009 The major product obtained in the given reaction is:

1

2

3

4

91011 The compounds $A$ and $B$ in the following reaction are, respectively

91006 The major product of the following reactions is:

1

2

3

4

91008 The major product $Y$ in the following reaction is:

1

2

3

4

91009 The major product obtained in the given reaction is:

1

2

3

4

91011 The compounds $A$ and $B$ in the following reaction are, respectively

91006 The major product of the following reactions is:

1

2

3

4

91008 The major product $Y$ in the following reaction is:

1

2

3

4

91009 The major product obtained in the given reaction is:

1

2

3

4

91011 The compounds $A$ and $B$ in the following reaction are, respectively