| 摘要 |
PCT No. PCT/FI85/00063 Sec. 371 Date Feb. 20, 1986 Sec. 102(e) Date Feb. 20, 1986 PCT Filed Jun. 28, 1985 PCT Pub. No. WO86/00301 PCT Pub. Date Jan. 16, 1986.A procedure for producing stearyl- beta -(3,5-dibutyl-4-hydroxyphenyl)propionate and bis-( beta -(3,5-dibutyl-4-hydroxybenzyl)-methylcarboxyethyl)sulphide. In the procedure, a titanate-catalysis exchange esterification reaction is carried out with propionic acid ester conforming to formula (IV) and stearyl alcohol or thiodiglycol. <IMAGE> (IV) where Bu is an n-butyl, secondary butyl, isobutyl or tertiary butyl group and R2 is a methyl, ethyl, propyl or butyl group.
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