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O-Hydroxycarboxylic acid

In their pioneering work on the lactonisation of an extensive series of (o-hydroxycarboxylic acids, Stoll et al. (1934) proposed a procedure for determining the specific rate for cyclisation from the yield of the monomeric lactone at the end of the reaction. To this end they considered the simplified... [Pg.4]

The macrotetrolide antibiotics are 32-membered cyclic tetralactons which can be isolated from various actinomyces species. Five homologs of the general formula indicated in Fig. 9 are known, which are referred to as nonactin, monactin etc. depending on the number of methyl replaced by ethyl groups. The compounds are built up by four (o-hydroxycarboxylic acid subunits of alternating enantiomerism condensated to each other by esterification. [Pg.18]

N-Sulfonyl-o-hydroxycarboxylic acid amides from sulfonic acid amides and diaryl carbonates... [Pg.620]

Potassium hydroxide (s. a, under H2N NH2) o-Hydroxycarboxylic acid amides from l,3-benzoxazine-2,4-diones s. 28, 898... [Pg.359]

Basic cupric salt o-Hydroxycarboxylic acids from arenecarboxylic acids... [Pg.341]

See other pages where O-Hydroxycarboxylic acid is mentioned: [Pg.241]    [Pg.295]    [Pg.118]    [Pg.360]    [Pg.259]    [Pg.129]    [Pg.189]    [Pg.259]    [Pg.259]    [Pg.284]    [Pg.411]    [Pg.178]    [Pg.228]    [Pg.449]    [Pg.235]    [Pg.240]    [Pg.363]    [Pg.409]    [Pg.477]    [Pg.244]    [Pg.405]    [Pg.305]    [Pg.312]    [Pg.312]    [Pg.467]    [Pg.350]    [Pg.246]    [Pg.267]    [Pg.267]    [Pg.267]    [Pg.267]    [Pg.277]   


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Hydroxycarboxylates

Hydroxycarboxylic

Hydroxycarboxylic acids, acidity

O-Hydroxycarboxylic acid amides

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