Process for preparation of 2-(6-substituted-1,3-dioxane-4-yl) acetic acid derivatives

Process for preparation of 2-(6-substituted-1,3-dioxane-4-yl) acetic acid derivatives

  • CN 1,443,183 A
  • Filed: 07/12/2001
  • Published: 09/17/2003
  • Est. Priority Date: 07/19/2000
  • Status: Abandoned Application
First Claim
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1. The 2-of formula 1 (6-replace 1,3-diox-4-yl) preparation method of acetogenin:

  • X represents leavings group in the formula, R 1, R 2And R 3Representative independently of one another contains the alkyl of 1-3 carbon atom, and this method is used the acetalation agent from formula 2 compounds, carries out in the presence of acid catalyst;

    The definition of X is the same in the formula.

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