177280-82-9Relevant articles and documents
Stereochemical course of [2+2]cycloaddition of chlorosulfonyl isocyanate to cis and trans 3-O-but-1'-enyl-1,2-O-isopropylidene-α-D-xylofuranose
Furman, Bartlomiej,Kaluza, Zbigniew,Chmielewski, Marek
, p. 6019 - 6024 (2007/10/03)
The asymmetric [2+2]cycloaddition of chlorosulfonyl isocyanate to Z and E 3-O-butyl-1'-enyl-1,2-O-isopropylidene-5-O-trityl-α-D-xylofuranoses proceeds with excellent stereoselectivity affording cis azetidinone 12 from cis olefin and trans azetidine 13 fro