.alpha.-Haloalkanesulfonyl bromides in organic synthesis. 5. Versatile reagents for the synthesis of conjugated polyenes, enones, and 1,3-oxathiole 1,1-dioxides
.alpha.-Haloalkanesulfonyl bromides in organic synthesis. 5. Versatile reagents for the synthesis of conjugated polyenes, enones, and 1,3-oxathiole 1,1-dioxides
Process for the production of bromo substituted tetrahydrofuran sulfones
申请人:BASF Aktiengesellschaft
公开号:US04022804A1
公开(公告)日:1977-05-10
A process for the manufacture of .beta.-bromoalkylsulfones and .beta.-bromoalkenylsulfones by addition reaction of sulfonic acid bromides with olefins or acetylenes in the presence of hydroperoxide and, optionally, of metal salts. Starting materials for further syntheses and for biologically active compounds may be obtained by subsequent dehydrobromination of the addition products.
N-Alkyl or aryl-N-(trichlorovinylthio)-halomethane sulfonamides
申请人:Chevron Research
公开号:US04295874A1
公开(公告)日:1981-10-20
N-trichlorovinylthio-substituted halomethanesulfonamides of the formula ##STR1## wherein R is alkyl, cycloalkyl, aryl, X is fluoro, chloro, bromo or iodo and R' is trichlorovinyl, are fungicides and algicides.