Research Article
Poly(delta-gluconolactone) and Poly(delta-gluconolactone-ε-caprolactone) from delta-Gluconolactone and ε-Caprolactone by Ring-Opening Polymerization
Table 1
Catalysts, solvents and initiators were used for ROP of d-GL.
| Entry | Solvent | Catalyst | Initiator | Result |
| (1) | THF | MBTO | Diethylene glycol | -- | (2) | DMSO | MBTO | Diethylene glycol | --- | (3) | CHCl3 | MBTO | Diethylene glycol | --- | (4) | n-Octane | MBTO | Diethylene glycol | Off-white | (5) | n-Octane | Sn(Oct)2 | Diethylene glycol | --- | (6) | n-Octane | TBT | Diethylene glycol | --- | (7) | CL | MBTO | Diethylene glycol | --- | (8) | Methylbenzene | MBTO | Diethylene glycol | Off-white | (9) | n-Octane | Y[N(SiMe3)2]3 | Diethylene glycol | --- | (10) | n-Octane | MBTO | --- | Off-white | (11) | n-Octane | Al complexes | Diethylene glycol | --- | (12) | Methylbenzene | MBTO | Benzyl alcohol | Off-white |
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-- reaction cannot carry out or cross-linking and gelation occur. |