Citation: D. Schwebel et al., Photochemical synthesis of cyclopenta[c]-anellated benzopyrans and benzothiopyrans, SYNTHESIS-S, (8), 2001, pp. 1111-1113
Citation: D. Schwebel et P. Margaretha, Photocycloaddition of 2H-1-benzopyran-3-carbonitriles and 2H-1-benzothiopyran-3-carbonitriles to alkenes and alkenynes, HELV CHIM A, 83(6), 2000, pp. 1168-1174