Chemistry of carbon compounds – Dipeptides – e.g. – aspartame – anserine – carnosine – etc.
Patent
1977-09-26
1978-09-26
Sutto, Anton H.
Chemistry of carbon compounds
Dipeptides, e.g., aspartame, anserine, carnosine, etc.
260944, C07F 9165, C07F 932, C07F 940
Patent
active
041170431
ABSTRACT:
N-(beta-diorganodithiophosphorylethyl) aryl and alkyl sulfonamides are prepared by a process comprising reacting a compound having the formula R.sup.1 SO.sub.2 X with 2-aminoethyl hydrogen sulfate and an aqueous solution of M.sup.1 OH, and reacting the resulting product with a compound having the formula ##STR1## In the above description, R.sup.1 is selected from the group consisting of C.sub.1 -C.sub.10 alkyl, halo-substituted C.sub.1 -C.sub.10 alkyl, phenyl, halo-substituted phenyl, nitro-substituted phenyl, and naphthyl; R.sup.2 and R.sup.3 are independently selected from the group consisting of C.sub.1 -C.sub.10 alkyl and C.sub.1 -C.sub.10 alkoxy; X is selected from the group consisting of chloride, bromide, and iodide; and M.sup.1 and M.sup.2 are independently selected from the group consisting of lithium, sodium, potassium, ammonium, and tri-substituted ammonium wherein the substituents are independently C.sub.1 -C.sub.10 alkyl.
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Fancher Llewellyn W.
Robbins Jeffrey D.
Heines M. Henry
Stauffer Chemical Company
Sutto Anton H.
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