1,3-OXAZIN-4-ONE DERIVATIVES, PROCESS OF THEIR PREPARATION, HERBICIDAL COMPOSITION IN WHICH THOSE DERIVATIVES ARE COMPRISED AND METHOD OF WEED CONTROL

摘要

PCT No. PCT/EP96/05404 Sec. 371 Date Sep. 2, 1998 Sec. 102(e) Date Sep. 2, 1998 PCT Filed Dec. 4, 1996 PCT Pub. No. WO97/21688 PCT Pub. Date Jun. 19, 19971,3-Oxazin-4-one derivatives of formula (I): wherein Q represents -C(=O)-, -CH(OH)- or -C(OR11)(OR11)-, in which R11 represents lower alkyl; or the two groups -OR11, together with the carbon atom to which they are attached, form a five or six membered cyclic ketal group; and their use as herbicides.