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- W2275758811 abstract "Abstract The experiments which have been described show that the thiol group is sufficient to develop the deactivating effect. However, its action can be more or less modified by neighboring chemical groups. For the deactivating effect to be pronounced, it is necessary for a thiol group to be associated with certain other chemical groups. The choice of these latter groups is a delicate one, for the final compound must fulfill two conditions which from a practical standpoint are difficult to meet conjointly, viz., (1) the thiol group must not be nullified by any tautometric effect, a phenomenon which is common to many compounds, and (2) the compound must not have too marked an accelerating action, such as that of certain well known very active accelerators containing the thiol group. The present work would indicate, then, that the most effective structure from the viewpoint of the deactivating effect is a cyclic structure, either pentatomic or hexatomic, in which the carbon atom carrying the thiol group is surrounded by two nitrogen atoms or, alternately, by a nitrogen atom and an oxygen atom. This type of structure is notably true of mercaptobenzimidazole, mercaptopyrimidine, and mercaptobenzoxazole." @default.
- W2275758811 created "2016-06-24" @default.
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- W2275758811 date "1952-09-01" @default.
- W2275758811 modified "2023-09-25" @default.
- W2275758811 title "Chemical Constitution and Deactivating Effect" @default.
- W2275758811 doi "https://doi.org/10.5254/1.3543418" @default.
- W2275758811 hasPublicationYear "1952" @default.
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