This invention discloses new chemical compounds of the formula ##STR1## wherein Z is alkyl; m is an integer from 0 to 4; n and p are each integers from 1 to 2; R.sup.1 and R.sup.2 are each alkyl; R.sup.3 is hydrogen or alkyl; and X is halogen. The compounds of the foregoing description are useful as herbicides.
SYNTHESIS OF POLYCYCLIC-CARBAMOYLPYRIDONE COMPOUNDS
申请人:Gilead Sciences, Inc.
公开号:US20180022757A1
公开(公告)日:2018-01-25
Methods of making compounds of Formula I are disclosed:
公开了制备式I化合物的方法。
Benzylamine derivative
申请人:MITSUBISHI KASEI CORPORATION
公开号:EP0214051A2
公开(公告)日:1987-03-11
There is provided a novel benzylamine derivative of the formula I:
wherein R' represents a hydrogen atom or a methyl group, X represents a hydrogen atom, a methyl group or a tosyl group. and Y represents a hydrogen atom, a methyl group of
in which R2 and R3 being identical or different from each other represent independently a lower alkyl group.
Process for preparing cotarnine of formula :
which comprises hydrolyzing a dihydroisoquinolonium salt having the following formula (D)
wherein A represents an anion