TY - GEN AU - Roth,H J AU - Haupt,M TI - [Diene like synthesis of dihydropyranes by acetolysis of Mannich bases (author's transl)] SN - 0365-6233 PY - 1975///0811 KW - Methods KW - Pyrans KW - chemical synthesis N1 - Publication Type: English Abstract; Journal Article UR - https://doi.org/10.1002/ardp.19753080402 ER -