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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