تفاعل #44505

ord-e40caf334b0742ffaf4ef4909375fc79

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    أخرىThe solvent was evaporated in vacuo and product
  2. 2
    أخرىpurified by flash column chromatography (hexanes:ethyl acetate 100:0 to 80:20)

الإجراء التجريبي

To a solution of Example 8C (2.2 g, 6.28 mmoles) and Rh2(OAc)4 (2 mg, 4.3 μmol) in dichloromethane (2 mL), ethyl diazoacetate (0.717 g, 6.28 mmoles) in dichloromethane (4 mL) was added over two hours via a syringe pump. The solvent was evaporated in vacuo and product purified by flash column chromatography (hexanes:ethyl acetate 100:0 to 80:20) to provide the title compound.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US07737137B2uspto-grants-2010_06