title: New metal-free one-pot synthesis of substituted allenes from enones.
abstract: A new metal-free, one-pot synthesis of substituted allenes from enones was discovered for the first time, in which a tertiary amine as a base was found to be an effective promoter in such novel transformations. The present synthetic protocol proceeded readily with high compatibility of sensitive functional groups, and it provides a new efficient way to access a series of synthetically important allenes without the use of metallic reagents or catalysts.
authors.affiliation: State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou 730000, PR China.
authors.forename: Meng
authors.initials: M
authors.lastname: Tang
authors.forename: Chun-An
authors.initials: CA
authors.lastname: Fan
authors.forename: Fu-Min
authors.initials: FM
authors.lastname: Zhang
authors.forename: Yong-Qiang
authors.initials: YQ
authors.lastname: Tu
authors.forename: Wen-Xue
authors.initials: WX
authors.lastname: Zhang
authors.forename: Ai-Xia
authors.initials: AX
authors.lastname: Wang
mesh_terms: D000466:Alkadienes / Q000138:chemical synthesis* / Q000737:chemistry; D015394:Molecular Structure
chemical_list: D000466:Alkadienes; C025947:propadiene