New Synthetic Methodology for the Preparation of Substituted 1‐Aryl‐1‐pyridylaminomethanephosphonic Acid Esters.
New Synthetic Methodology for the Preparation of Substituted 1‐Aryl‐1‐pyridylaminomethanephosphonic Acid Esters.
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DOI:
10.1002/chin.198914258
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发表时间:
1989-04
期刊:
影响因子:
--
通讯作者:
D. Burkhouse;H. Zimmer
中科院分区:
文献类型:
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作者:
D. Burkhouse;H. Zimmer
The title compounds, e.g. (V), (VIII), and (X), are prepared from the aminopyridines (I) and benzaldehydes such as (II) or (VI) by three different methods: the imines (III) are treated with diphenyl phosphite (IV) to give (V).