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The most effective compounds had two OH-groups of phosphoric acid substituted (ester type) by organic substituents, one more by an acidic group, while the double-bonded oxygen persists or may be replaced by sulfur. Effective acidic groups are Cl, F, SCN, CNO, CH3COO-, and others. This discovery led to the development of the highly toxic compound Tabun (20b), in which one of the hydroxy groups of the phosphate is replaced by a CN-group.
decanoic acid, 334-48-5 - The Good Scents Company
Organic chemistry: “Introduction to amines”. Amine nomenclature. and of amines. Synthesis of amines—through SN2, through lithium aluminum hydride (LAH) reduction of amides or , through the Gabriel synthesis, or through reductive . Overview of LAH reductions—of and , of carboxylic acids, of esters, of amides, and of .
15, 1949 1947 (Procter & Gamble Company) and (now with , Clinton Laboratories, Oak Ridge, Tennessee) published the 13th report in a series of studies of fluorophosphoric acids: Preparation of anhydrous monofluorophosphoric acid (25b). "It has recently been shown that the esters of monofluorophosphoric acid which were previously known to be highly toxic, have a probable usefulness in the treatment of glaucoma and myasthenia gravis, the di-isopropyl ester being especially suited for this purpose.
Michael J Nch Pedersen 978-87-93054 53 0 Fil Fra …
The product of our invention, to wit, anhydrous monofluorphosphoric acid is of value for the synthesis of various organic materials useful as insecticides, or as a catalyst and for other purposes in the arts, and it is therefore our belief that the acid which in consequence of our invention is now available will have numerous and important applications and that the invention marks a distinct and valuable contribution to industry"). In England, and of Cambridge, in cooperation with the Ministry of Supply filed patents on the preparation of esters of fluorophosphoric acid (e.g. DFP) via chlorophosphonic esters (a standard method for preparing organic fluoro compounds consists in treating a corresponding chloro-compound with inorganic fluoride, see also -> the ):