摘要 |
1,167,420. Radio-active compounds. PROCTER & GAMBLE CO. 29 Dec., 1967 [30 Dec., 1966], No. 59118/67. Heading G6R. [Also in Divisions C2 and C5] The C 14 calcium salt of a mixture of octadecene sulphonates was prepared by reacting octadecane gamma sultone with calcium methoxide at 155-168‹ C. for 2À5 hours. |