The reaction of lactams (preferably N-methyl-2-pyrrolidone) with hydrogen sulfide to thiolactams (preferably N-methyl-2-thiopyrrolidone) is conducted in the presence of a catalyst consisting essentially of alumina.
申请公布号
US4956476(A)
申请公布日期
1990.09.11
申请号
US19900486709
申请日期
1990.03.01
申请人
PHILLIPS PETROLEUM COMPANY
发明人
EASTMAN, ALAN D.;JOHNSON, MARVIN M.;SKINNER, RICHARD D.