Question

Column I Reactions		Column II Stereochemistry
a		p	Overall syn addition
b	$(I) \xrightarrow[H_3O^{\oplus}]{MCPBA}$	q	Optically inactive due to external compensation.
c	$(I) \xrightarrow {Br_2/H_2O}$	r	Optically inactive due to internal compensation.
d	$(I) \xrightarrow[KMnO_{4}]{\text{Cold alk.}}$	s	Product has two chiral centres.
		t	Diastereomers will be formed.

• A. $( a \rightarrow p , r , s ; b \rightarrow q , s ; c \rightarrow t ; d \rightarrow p , r , s )$
• B. $( a \rightarrow r , s , t ; b \rightarrow p , r , s ; c \rightarrow s ; d \rightarrow q , s , t )$
• C. $( a \rightarrow p , s , r ; b \rightarrow q , r , s ; c \rightarrow s ; d \rightarrow q , s , t )$
• D. $( a \rightarrow q, p , t ; b \rightarrow t , r , s ; c \rightarrow s ; d \rightarrow q , p , t )$

Answer 1

Answer: (A)

$( a \rightarrow p , r , s ; b \rightarrow q , s ; c \rightarrow t ; d \rightarrow p , r , s )$