3 Coastal state establishment method

摘要

1. Claim 1: a method for preparing formula compound (1),The method comprises the following steps: forming a reaction mixture, including a coupling agent, a halosilane, a formula compound (2),And a formula compound (3),When the formula compound (1) is properly formulated,a. Each PG is a separate hydrogen Xi protection group; alternatively, two PG groups for adjacent carbon can be combined into a C group (R1 8313) 8322 -;R8304es h or silicon group; R1 838313es h, acquiro c832131;Phenyl or alternatives to phenyl