| 摘要 |
<p>Cpds. of formula: X-S-NR-CO-NR1R2 (where X = Cl or Br; R, R1 and R2 are aliphatic, aralipathic or aryl groups or R1 and R2 are both members of a 3- to 7-membered ring, opt. contg. an O- or S-atom when the ring is 6-membered), may be prepd. by reacting (R3)3Si-NR-CONR1R2 (where R3 = 1-4C alkyl) with SCl2 or SBr2 (>=1 mole), pref. at -20 to 150 degrees C, esp. 0-40 degrees C.</p> |
