92885-28-4Relevant articles and documents
PHOTOCYCLOADDITION REACTIONS OF THE FIRST STABLE THIOALDEHYDE: 2,4,6-TRI(tert-BUTYL)THIOBENZALDEHYDE WITH SUBSTITUTED ALLENES
Hofstra, G.,Kamphuis, J.,Bos, H. J. T.
, p. 873 - 876 (2007/10/02)
Irradiation of 2,4,6-tri-(tert-butyl)thiobenzaldehyde 1 with some alkoxy-, alkylthio-, and phenyl-allenes 2a-i gave one stereoisomer of a (2+2)-cycloadduct, viz. thietane 3 in high yields (75-95percent).Ringclosure is in agreement with MNDO-calculations.