Fenoxaprop-Ethyl synthesis

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Transcript of Fenoxaprop-Ethyl synthesis

768 Pesticides Synthesis Handbook

Fenoxaprop-Ethyl

Uses: herbicide, beets, cotton, potatoes, soya beans, vegetables

Trade names: Furore. Whip. Acclaim. Puma (Hoechst)

Type: phenoxy carboxylic acid. benzoxazole

Synthes is :

C1 i. o I I 0 I I C '~"

--c--c--c + Cl 2 ,~ --c--c --

I I "OH I ~ " OH

propionic acid +

c-- SH

c / 0

2 mercapto 6 chlorobenzoxazole

+ Cl 2

I I --c--c--OH

I I

e thano I

Cl 0

I I 11 C - ' - C ' - - -C

! I O - - C - - - C - -

I t 4-

OH

OH

t /i ~ --- --'C--- C

0

OH

hydroquinone

I I 0 "--C-- C--

I I

> c--Cl

c / 0

I

o

/ c - o - o-~ C1

0 O--C--- c-

fenoxaprop -ethyl I i