Enantioselective Synthesis of (-)-(7aS)-2,3,7,7a-Tetrahydro-7a- phenylthio-1H-indene-1,5(6H)-dione and (+)-(8aS)-3,4,8,8a-Tetrahydro-8a-phenylthio-1,6(2H,7H)-naphthalenedione
Enantioselective Synthesis of (-)-(7aS)-2,3,7,7a-Tetrahydro-7a- phenylthio-1H-indene-1,5(6H)-dione and (+)-(8aS)-3,4,8,8a-Tetrahydro-8a-phenylthio-1,6(2H,7H)-naphthalenedione