3-ethyl 5-methyl 6-(difluoromethyl)-4-chloro-2-(trifluoromethyl)-3,5-pyridinedicarboxylate 、 环戊硫醇 、 以
四氢呋喃 为溶剂,
以affording 3.8 g of a red oil的产率得到3-Ethyl 5-methyl 4-(cyclopentylthio)-6-(difluoromethyl)-2-(trifluoromethyl)-3,5-pyridinedicarboxylate
参考文献:
名称:
Herbicidal (2 or 6)-fluoroalkyl-4-amino pyridine derivatives
Herbicidal (2 or 6)-fluoroalkyl-4-amino pyridine derivatives
申请人:Monsanto Company
公开号:US04698093A1
公开(公告)日:1987-10-06
Disclosed herein are 3,5-pyridinedicarboxylic acid derivatives having heteroatom substitution at the 4 position which are useful as herbicides and herbicide precursors.
本文揭示了在4位具有杂原子置换的3,5-吡啶二甲酸衍生物,其可用作除草剂和除草剂前体。
2,6-substituted pyridine compounds
申请人:Monsanto Company
公开号:US04797149A1
公开(公告)日:1989-01-10
Disclosed herein are 3,5-pyridinedicarboxylic acid derivatives having heteroatom substitution at the 4 position which are useful as herbicides and herbicide precursors.