- A facile one-pot synthesis of a?-halo-a?-allyl-aldehydes from a?,a?-Dihaloketoncs Using Allylsamarium Bromide and DMF
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A convenient, one-pot synthesis of a range of a?-halo-a?-allyl aldehydes is described. The protocol involves the reaction of allylsamarium bromide with various a?,a?-dihalo ketones. A possible mechanism of the transformation is proposed.
- Di, Jucai,Zhang, Songlin
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- A facile one-pot synthesis of α-halo,α-allylic aldehydes from α,α-dihalo ketones utilizing allylic zinc bromide
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An efficient synthesis of various α-halo,α-allylic aldehydes from α,α-dihalo ketones using both cyclic (3-bromocyclohex-1-ene zinc bromide and (Z)-3-bromocyclobut-1-ene zinc bromide) and acyclic (allylzinc bromide and cinnamylzinc bromide) type of allylic organozinc bromide with DMF as base is described. A possible reaction mechanism is also proposed. Copyright
- Wang, Xiaolei,Zhang, Songlin
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- A facile synthesis of two series of multifunctional carbon compounds from α,α-dihalo ketones using allylsamarium bromide
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The use of allylsamarium bromide to effect two different reactions on the common starting material, a,a-dihalo ketones, is presented. With DMF, α-halo-α-allyl aldehydes were obtained, while α-hydroxy- α-allyl aldehyde acetals were obtained in the presence of NaOMe/MeOH. Georg Thieme Verlag Stuttgart.
- Liu, Xiaodan,Zhang, Songlin,Di, Jucai
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experimental part
p. 2749 - 2755
(2010/01/21)
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