Literature References:

1. Enones with Strained Double Bonds. 5. The 2-methylbicyclo[3.2.1]non-1-en-3-one system, Herbert O. House, Marvin B. DeTar and Ronald F. Seiloff, J. Org. Chem., (1980), 45(18), 3545-9.

2. Enones with Strained Double Bonds. 4. Bicyclo[5.3.1]undecane System, Herbert O. House, Ronald F Sieloff, Thomas V. Lee and Marvin B. DeTar, J. Org. Chem. (1980), 45(10) 1800-6.

3. Enones with Strained Double Bonds. 3. Cycloadducts from Bicyclo-[3.3.1]-non-1-en-3-one. H. O. House, Marvin B. DeTar and Don VanDerveer, J. Org. Chem., (1979), 44(22), 3793-800.

4. Thiocarbonyl Ylides. Photogeneration, Rearrangement and Cycloaddition Reactions Arthur G. Schultz and Marvin B. DeTar, J. Amer. Chem. Soc., 98, 3564(1976).

5. 1,2-Dihydronaphtho[2.1-d]-3H-indano[2.1-f]-N-phenylsuccimido[4,3-b]-7.alpha.-thia-2.beta., 3.beta.,5.alpha.,6.beta.-tetrahydrobicyclo[2.2.1]hepta-2,5-diene [synthesis], Arthur G. Schultz and Marvin B. DeTar Organic Photochemical Synthesis (1976) 2, 47-8.

6. Thiocarbonyl Ylides. Photogeneration, Rearrangement and Cycloaddition Reactions Arthur G. Schultz and Marvin B. DeTar, J. Amer. Chem. Soc., 96, 296 (1974)