A Convenient Synthesis of Novel Unsymmetrical Acyl Thioacyl Disulfides and Acyl O,O-Dialkylthiophosphoryl Disulfides - Kato, Shinzi; Watarai, Hiroshi; Katada, Tomonori; Mizuta, Masateru; Miyagawa, Kenji; Ishida, Masaru (Synthesis, 1981)