TY - GEN AU - Pettit,G R AU - Green,B AU - Dunn,G L AU - Sunder-Plassmann,P TI - Bufadienolides. 4. Reaction of 20-oxo steroids with methoxymethylenetriphenylphosphorane SN - 0022-3263 PY - 1970///0605 KW - Bufanolides KW - chemical synthesis KW - Chemical Phenomena KW - Chemistry KW - Cholestanes KW - Ethers KW - Ketones KW - Onium Compounds KW - Phosphoranes KW - Pregnanes N1 - Publication Type: Journal Article UR - https://doi.org/10.1021/jo00830a028 ER -