تفاعل #5255

ord-332c42f9e23541eaa37b1a643ef16125

الكواشف

لا شيء

المذيبات

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    أخرىwere reacted
  2. 2
    أخرىto obtain 17.4 g of raw product which
  3. 3
    أخرىwas purified with hot hydrochloric acid and ammonium hydroxide

الإجراء التجريبي

Using the procedure of Step A of Example 8, 27.2 g of 7-amino-cephalosporanic acid, 170 ml of the etherate of of boron trifluoride, 131 ml of propanol and 128 ml of triethylamine were reacted to obtain 17.4 g of raw product which was purified with hot hydrochloric acid and ammonium hydroxide to obtain 7.45 g of 3-propoxymethyl-7-amino-ceph-3-eme-4-carboxylic acid.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US05243043uspto-grants-1993_09