99261-13-9Relevant academic research and scientific papers
The Crystal and Molecular Structure of 2,3,6,8,9-Pentaphenyl-1-thia-6-azaspironona-2,8-diene-4,7-dione
Yasuoka, Noritake,Kai, Yasushi,Kasai, Nobutami
, p. 2943 - 2946 (2007/10/02)
The title compound srystallizes in monoclinic form, space group P21/c with a=20.810(1), b=16.000(1), c=18.131(1) A, β=107.77(1)deg, Z=8.The structure was extablished by the direct method and refined including all hydrogen atoms by the blockdiag
NOVEL SYNTHESIS OF HETEROCYCLIC SPIRANS BY TANDEM CYCLOADDITION TO SULFUR-CONTAINING HETEROCUMULENES
Ohshiro, Yoshiki,Nanimoto, Hitoshi,Tanaka, Hiroyuki,Komatsu, Mitsuo,Agawa, Toshio,et al.
, p. 3015 - 3018 (2007/10/02)
Novel Ni(CO)4-promoted tandem cycloadditions of diphenylcyclopropenone to isothiocyanates and to CS2 were found to provide new heterocyclic spirans, pyrroline-2-one-5-spiro-5'-thiolene-4'-ones and a thiolene-2-one-5-spiro-5'-thiolene-4'-one, respectively,
