Citation

Sugowdz G , Collin PJ Sasse WHF (1973) Photochemical synthesis. VI.The formation of benzosemibullvalene derivatives in the photoaddition of diphenylacetylene to methyl 2-naphthoate, a degenerate thermal isomerization of the benzosemibullvalene skeleton. Australian Journal of Chemistry 26, 147-171.

https://doi.org/10.1071/CH9730147