Structures of 4',5'-dihydrospiro[anthracene-9(10H),2'(3'H)-furan]-10-one (1), and 3',4',5',6'-tetrahydrospiro[anthracene-9(10H),2'-[2H]pyran]-10-one (2)
Titel:
Structures of 4',5'-dihydrospiro[anthracene-9(10H),2'(3'H)-furan]-10-one (1), and 3',4',5',6'-tetrahydrospiro[anthracene-9(10H),2'-[2H]pyran]-10-one (2)