Table 1.
Initiator | R | R' | or"' | Cis content |
---|---|---|---|---|
2a | Ad | H | HIPTO | >99% |
2b | Ad | Me | HIPTO | >99% |
2c | Ar | H | HIPTO | 70% |
3a | Ad | Me | TPP | 83% |
3bb | Ad | H | OSiNaph3 | 44% |
1ab | Ar | Me | Bitet; R" = Br | 65% |
1bb | Ad | Me | Bitet; R" = Br | 70% |
1cb | Ad | Me | Bitet; R" = Me | 90% |
1db | Ad | H | Bitet; R" = CHPh2 | 90% |
Ad = 1-adamantyl; Ar = 2,6-i-Pr2C6H3; TPP = 2,3,5,6-Ph4C6H; Naph = 2-naphthyl; Bitet is the aryloxide shown in 1.
Prepared in situ; see Supporting Information.