There are disclosed are A diastereomer salt of formula (1): ##STR1## a process for producing the same, a process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid of formula (2'): ##STR2## a novel optically active amine compound of formula (4): ##STR3## a novel optically active amine compound of formula (8): ##STR4## an imine compound of formula (7) or (11): ##STR5##

É divulgado está sal do diastereomer de A da fórmula (1): ## do ## STR1 um processo para produzir o mesmo, um processo para produzir ótica o ácido 3,3,3-trifluoro-2-hydroxy-2-methylpropionic ativo da fórmula (2 '): ## do ## STR2 da novela um composto ativo do amine ótica da fórmula (4): ## do ## STR3 da novela um composto ativo do amine ótica da fórmula (8): ## do ## STR4 um composto do imine da fórmula (7) ou (11): ## do ## STR5

 
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< Absorbent article having a cover layer including a polymerized alkene

< N-hydroxacylamino compounds, process for their preparation and pharmaceutical compositions containing them

> Absorbent article

> Low gauge films and film/nonwoven laminates

~ 00092