Table 4 α-Butoxymethylphosphonium iodide 2a in carbon homologation of aldehydes
From: Facile synthesis of α-alkoxymethyltriphenylphosphonium iodides: new application of PPh3/I2
Entry | Substrate | Product (4) | Yield (%) |
|---|---|---|---|
1. | PhCHO | PhCH2CHO | 72 |
2. | EtCHO | n-PrCHO | 71 |
3. | n-PrCHO | n-BuCHO | 73 |
4. | n-BuCHO | n-PentCHO | 70 |