3-Chloro-1-lithiopropene, a Functional Organolithium Reagent, and Its Reactions with Alkylboronates To Give 3-Alkylprop-1-en-3-ols | Zendy

Keith Smith | Zendy; Mark C. Elliott | Zendy; D. Heulyn Jones | Zendy

Open Access

3-Chloro-1-lithiopropene, a Functional Organolithium Reagent, and Its Reactions with Alkylboronates To Give 3-Alkylprop-1-en-3-ols

Author(s) -

Keith Smith,

Mark C. Elliott,

D. Heulyn Jones

Publication year - 2013

Publication title -

the journal of organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.2

H-Index - 228

eISSN - 1520-6904

pISSN - 0022-3263

DOI - 10.1021/jo4018028

Subject(s) - reagent , allylic rearrangement , chemistry , alkyl , primary (astronomy) , medicinal chemistry , functional group , organic chemistry , combinatorial chemistry , catalysis , physics , polymer , astronomy

The reagent 3-chloro-1-lithiopropene (4) can be generated by treating 1-bromo-3-chloropropene with t-BuLi. It is unstable but if generated at low temperature in the presence of alkylboronic esters, such as 3, is trapped in situ to give rearrangement products 2, which on oxidation give 3-alkylprop-1-en-3-ols in good yields. The reaction works for primary, secondary, benzylic, and even tertiary alkylboronic esters, providing allylic alcohols bearing almost any alkyl group available using organoborane chemistry and incorporating all features of such groups.

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