| 摘要 |
<p>1283750 Acylhydroxylamines ROUSSELUCLAF 27 Oct 1969 [29 Oct 1968] 542/72 Divided out of 1283749 Heading C2C Compounds of formula wherein Hal is chlorine or bromine and R<SP>2</SP> and R<SP>3</SP> are C 2-7 alkenyl groups are prepared by reaction of a dialkenyl hydroxylamine of formula R<SP>3</SP>NHOR<SP>2</SP> with a haloacetyl chloride. O,N-dialkyl-hydroxylamine is prepared by hydrolysis of O,N - dialkyl - N - carbethoxyhydroxylamine with caustic potash.</p> |
