Table 1:
Compound | Substituent | % Yield of Z-isomer |
---|---|---|
6 | R1=OBzn,R2=H,X=C,Y=NC | 11 |
7 | R1=CN,R2=H,X=C,Y=NC | 22 |
8 | R1=OMe,R2=H,X=C,Y=NC | 16 |
9 | R1=H,R2=OMe,X=C,Y=NC | 5 |
10 | R1=Cl,R2=H,X=C,Y=NC | 11 |
11 | R1=H,R2=Cl,X=C,Y=NC | 16 |
12 | R1=F,R2=H,X=C,Y=NC | 18 |
13 | R1=H,R2=F,X=C,Y=NC | 23 |
14 | R1=Br,R2=H,X=C,Y=NC | 18 |
15 | R1=H,R2=Br,X=C,Y=NC | 23 |
16 | R1=I,R2=H,X=C,Y=NC | 18 |
17 | R1=H,R2=H,X=N,Y=NC | 13 |
18 | R1=F,R2=H,X=N,Y=NC | 18 |
19 | R1=H,R2=H,X=C,Y=CN | 16 |