| 摘要 |
Title compds. I [R+=Na+, K+, NH4+, n-C4H9-NH3+, (HO-CH2-CH2)2 -N+H2, etc.!, useful as herbicides, were prepd. Thus, a soln. contg. 5.18 g N-benzyl-N-phosphono methyl glycine and 20 ml 1N-NaOH was treated with 60 ml methyl alcohol and 9.5g Pd/c (5%) under H-gas at room temp. for 5 h to give 2.9 g N-phosphono methyl glycine.
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