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2a-Hydroxy-l,8-cineole

Esters of racemic 2a hydroxy-l,8-cineole (125b and b ) were prepared by a convenient method (Figure 19.141). Their odors were characteristic. Then products were tested against antimicrobial activity and their microbial resolution was studied (Hashimoto and Miyazawa, 2001) (Table 19.15). [Pg.843]

Streptomyces bottropensis, SY-2-1 biotransformed 1,8-cineole (122) stereochemically to (-H)-2a-hydroxy-l,8-cineole (125b) as the major product and (+)-3a-hydroxy-l,8-cineole (123b) as the minor product. Recovery ratio of 1,8-cineole metabolites as ether extract was ca. 30% in Streptomyces bottropensis, SY-2-1 (Noma and Nishimura, 1980,1981) (Figure 14.135). [Pg.672]

FIGURE 14.141 Chemical synthesis of esters of racemic 2a-hydroxy-l,8-cineole (12Sb and b ). (Modified from Hashimoto Y. and M. Miyazawa, 2001. Proc. 45th TEAC, pp. 363-365.)... [Pg.676]

See other pages where 2a-Hydroxy-l,8-cineole is mentioned: [Pg.770]    [Pg.775]    [Pg.777]    [Pg.792]    [Pg.794]    [Pg.840]    [Pg.840]    [Pg.843]    [Pg.843]    [Pg.843]    [Pg.887]    [Pg.891]    [Pg.895]    [Pg.608]    [Pg.608]    [Pg.609]    [Pg.612]    [Pg.613]    [Pg.629]    [Pg.629]    [Pg.670]    [Pg.674]    [Pg.675]    [Pg.675]    [Pg.675]    [Pg.717]    [Pg.725]    [Pg.725]   
See also in sourсe #XX -- [ Pg.717 ]



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