184680. lajstromszámú szabadalom • Eljárás az oldalláncban amino-tiazolil csoportot tartalmazó cef-3-ém-4-karbonsav-származékok előállítására
184 680 R, R3 r3 R« X A —H-ch3-H-H-S— (257) —H-ch3-H-H —s— (258) —H-ch3 —H-H —s— (259) —H-ch3 —H-H-s(260) —H-ch3 —H —H-s— (261) —H-ch3 —H —H-s(262)-H-ch3 —H —H-s— (263)-H-ch3 (421)-H-s(256) O-H-ch3 ch3-o-c-ch3 —H-S— (264)-H —ch3-H-H-S(265) —H-ch3-H-H-S(266)-H-ch3-H-H-S(264)-H-ch3 —H-H-S— (253) —H-ch3-H —H —S(267) —H-ch3-H —H —S(268) —H-ch3 —H —H —S(269) —H —ch3-H —H —S(270) —H-ch3 —H-H-S(271)-H-ch3 —H-H-S(272) —H-ch3 —H-H-S(273) —H-ch3-H-H —S— (274) —H-ch3 —H —H-S(264) (423)-ch3-H-H-S(267) (424)-ch3 —H —H-S(275) —H-ch3-ch3-cooh-H-S— (256) —H-ch3-H-H —S— (276) —H-ch3 —H —H-s(277) O ch3 —H fenil-ch3-o-c -c-ch3 1 ch3 —H —S— (264)-H-ch3-H-H-S(278)-H-ch3-H-H-s(279)-H-ch3-H-H —s— (280)-H-ch3 —H-H-s(281) —H-ch3 —H-H-s(282) —H-CH3 —H —H —s— (283) —H-ch3 —H-H-s— (284)-H-ch3-H-H-s(285) —H-ch3-H-H-s(286) —H-ch3 —H-H —s— (251) —H-ch3-H-H-s— (287) —H-ch3 —H-H-s— (288) —H-ch3 —H-H-s— (289) —H-ch3 —H-H —s— (290) —H —ch3 —H-H-s(291)-H-ch3-H 0 ch3 1 1-ch3—o-c -c-ch3 1 ch3 och3-s(292)-D-ch3 —H-s(275) —H-ch3 —H —H-s(293) —H-ch3-H-H-s(294) —H-ch3-ch-ch3-H-H-s(295) o —H-ch3-ch3-o-c-ch3-H-S(295) —H-ch3-H —H-S(296) —H-ch3-H-H-s(297) —H-ch3-ch2—ch3-H-H-s(293)-H-ch3-H-H-s(298)-H-ch3-H —H-s(299) —H-ch3-H-H-s(300)-H-ch3-H —H —s(301)-H-ch3-H-H-s(302)-H-ch3-H-H-s— (303) 14
