HCID 12850094、化合物 → HCID 12850095、化合物

To a mixture of 18 g of 4'-methyl-3'-methylthio-2-bromoacetophenone and 300 ml of methanol was gradually added 8 g of sodium borohydrate and thereafter the mixture was stirred for one hour at 40°-50° C. After distilling off methanol from the reaction mixture, 200 ml of water was added to the residue and the product was extracted with 300 ml of benzene. Then, benzene was distilled off and the residue formed was purified by a silica gel column chromatography (eluant benzene) to provide 8.5 g of oily 4-methyl-3-methylthiostyrene oxide.

1. distillationAfter distilling off methanol from the reaction mixture, 200 ml of water
2. additionwas added to the residue
3. extractionthe product was extracted with 300 ml of benzene
4. distillationThen, benzene was distilled off
5. customthe residue formed
6. customwas purified by a silica gel column chromatography (eluant benzene)

ORDレコード

ord-04c442819e68443ab641666a33c311ac

出典データセット

uspto-grants-1989_11

DOI

10.6084/m9.figshare.5104873.v1

特許番号

US04880841