专利号:US-6642377-B1 优先权日:1999-07-30 标 题 :Process for the preparation of basic antibiotic-inorganic acid addition salts and intermediate oxalates 发明人:KAYANO AKIO; CHIBA HIROYUKI; NAKAMURA TAIJU; SAKURAI SHIN; ISHIZUKA HIROYUKI; SAITO HIROYUKI; KOMATSU YUUKI; SASHO MANABU; SATO NOBUAKI; NEGI SHIGETO 权利人:EISAI CO LTD 摘要:A production process which comprises subjecting a basic antibiotic.oxalate (II) to salt-exchange with an alkali earth metal salt (III) of an inorganic acid:wherein the ring A means the basic antibiotic; R<10 >means a protected functional group used in organic synthesis; Ak-E means the alkali earth metal; and B means the inorganic acid, respectively.
专利号:WO-2025121735-A1 优先权日:2023-12-05 标 题 :Pharmaceutical composition comprising upconversion nanoparticles for preventing or treating cancer 发明人:KIM KI SU; CHOI HYE EUN; ANARA MOLKENOVA; LEE SU BIN 权利人:NAT UNIV PUSAN IND UNIV COOP FOUND 摘要:The present invention relates to a nano-platform comprising core-shell structured upconversion nanoparticles, a composition comprising same, and a treatment method, the nano-platform comprising: a core formed of NaYF4:Yb, Tm through single-step synthesis; and a shell, which encompasses the core and is formed of NaYF4:Nd.
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