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Ethofumesate synthesis


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Ethofumesate synthesis

  1. 1. 840 Pesticides Synthesis Handbook Ethofumesate Uses: herbicide, sugar beet, pasture, tobacco, sunflowers Trade names: Nortron, Tramat (Schering) Type: benzofuran, sulfonate Synthesis: 0 [~~~,~ + --CII--C--C--II [i 0 C base ! HO -c- p-benzoquinone isobutyraldehyde + t ! -c-c-OH ethanol t I i I -c- ~~Jx /o-'~-c'- 9 - o i a j ox ICI methane IS, sulfonyl o c- chloride I o I I I| .--c- -c-S-o ~ , ' 'o' -c- I I O--C--C- - 0 / I I ethofumesate
  2. 2. Diverse Chemical Functions 841 alternate route : I ! I --- C--- C--- C--- i I ' /c o t%.. f I I --c---c--c-- i U ' c-- I isobutyraldehyde morpholine o II 0II o l 0 i II I--C-- --c--S--o ' N o o / o Cl % / s 0 C-- I I -c- Ho ~-/_~ N o o X.._../ I I --c--c--Oil I I ~HCI o I II I-,C-- .--c--S--o ' ~ --C-- I . I O---C--C--- I I