| 摘要 |
<p>A compound of Formula (1) is provided wherein X represents an optionally substituted hydrocarbyl linking group; R' represents an optionally substitut ed hydrocarbyl group, P1 and P2 are protecting groups, Q represents a group of formula Y, -OZ, or -SZ; Y represents a group forming a Wittig reagent, a P, As or Sb-containing Horner-Wadsworth Emmons or Warren reagent, a P(III), As (II I) or Sb(III) precursor of a Horner-Wadsworth Emmons or Warren reagent or an yl id precursor, and Z represents a group forming a P(III), As (III) or Sb(III) precursor of a Horner-Wadsworth Emmons or Warren reagent, or a P(V), As(V) o r Sb(V) leaving group.</p> |
