CAS: 5234-68-4; Carboxin

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CAS号67980-06-7 2-(2-methyl-1,3... | CAS号102-01-2 N-乙酰乙酰苯胺 | CAS号102437-91-2 3,3'-((disulfan... | CAS号102437-86-5 S-[2-[[1-methyl... | CAS号31844-92-5 2-氯-3-氧代-N-苯基丁酰胺 | CAS号124070-06-0 (1-anilino-1,3-... | CAS号68563-71-3 1-(2,6-dimethyl... | CAS号50435-92-2 3-hydroxy-2-(2-... | CAS号50435-96-6 2-(2-chloroethy...

1,3-Dioxo-1-(Phenylamino)Butan-2-Yl Acetate置于potassium Carbonate,对甲苯磺酸体系中,用 甲苯 作为反应溶剂,化学反应 49.17H,反应生成 萎锈灵
参考文献:Synthesis Of Sulfur-Oxygen-Transposed Dihydro-1,4-Oxathiin Derivative By Unusual Rearrangement Of .Beta.-Hydroxy-1,3-Oxathiolanes
标题:Synthesis Of Sulfur-Oxygen-Transposed Dihydro-1,4-Oxathiin Derivative By Unusual Rearrangement Of .Beta.-Hydroxy-1,3-Oxathiolanes
摘要:
DOI:10.1021/jo00271A043

专利信息

专利号:US-11548898-B2
优先权日:2017-07-06
标题 :Synthesis of halichondrins
发明人：KISHI YOSHITO; AI YANRAN; YE NING; WANG QIAOYI; YAHATA KENZO; ISO Kentaro; NAINI SANTHOSH REDDY; YAMASHITA SHUJI; LEE JIHOON; OHASHI ISAO; FUKUYAMA TAKASHI
权利人:HARVARD COLLEGE; EISAI R&D MAN CO LTD
摘要:The present invention provides methods for the synthesis of ketones involving a Ni/Zr-mediated coupling reaction. The Ni/Zr-mediated ketolization reactions can be used in the synthesis of halichondrins (e.g., halichondrin A, B, C; homohalichondrin A, B, C; norhalichondrin A, B, C), and analogs thereof. Therefore, the present invention also provides synthetic methods useful for the synthesis of halichondrins, and analogs thereof. Also provided herein are compounds (i.e., intermediates) useful in the synthesis of halichondrins, and analogs thereof. In particular, the present invention provides methods and compounds useful in the synthesis of compound of Formula (H3-A).

专利号:US-2024383940-A1
优先权日:2021-03-31
标题 :Synthesis of trinucleotide and tetranucleotide caps for mrna production
发明人：ENDO ATSUSHI
权利人:MODERNA TX INC
摘要:Provided herein are methods of making trinucleotides and tetranucleotides for use as 5′ mRNA caps. The methods utilize a novel “top-down†strategy and provide for synthesis of oligonucleotides with higher yields and increased efficiency compared to traditional methods. A key step of the methods disclosed, herein can also be adapted to utilize a “one-pot†approach, resulting in an increase in the yield of the final oligonucleotide product.

专利号:US-11518780-B2
优先权日:2019-07-31
标 题:Sensitive oligonucleotide synthesis using sulfur-based functions as protecting groups and linkers
发明人：FANG SHIYUE
权利人:FANG SHIYUE
摘要:Embodiments for the synthesis of sensitive oligonucleotides as well as insensitive oligonucleotides are provided. Sulfur-based groups are used for the protection of exo-amino groups of nucleobases, phosphate groups and 2′—OH groups, and as cleavable linker for linking oligonucleotides to a support. Oligonucleotide syntheses are achieved under typical conditions using phosphoramidite chemistry with important modifications. To prevent replacing sulfur-based protecting groups by acyl groups via cap-exchange, special capping agents are used. To retain hydrophobic tag to assist RP HPLC purification, special phosphoramidites are used in the last synthetic cycle. With the sulfur-based groups for protection and linking, oligonucleotide deprotection and cleavage are achieved via oxidation followed by beta-elimination under mild conditions. Therefore, besides for insensitive oligonucleotide synthesis, the embodiments of the invention are capable for the synthesis of oligonucleotide analogs containing sensitive functional groups that cannot survive the harsh conditions used in prior art oligonucleotide synthesis technologies.

专利号:US-2025129021-A1
优先权日:2023-09-19
标 题:Small molecule protein synthesis modulators
发明人：GYGI DAVID; BAHMANYAR SOGOLE SAMI; HAMANN LAWRENCE
权利人:INTERDICT BIO INC
摘要:The present disclosure provides compounds of the formulae herein (e.g., Formula (I), Formula (V)), and pharmaceutically acceptable salts thereof, which are useful for modulating protein synthesis (e.g., modulating synthesis of BCL-2, MYC, CCND1, MCL-1, ALK, KRAS-G12D). The present disclosure also provides pharmaceutical compositions and kits comprising the compounds, or pharmaceutically acceptable salts thereof, and methods of treating or preventing diseases or disorders (e.g., diseases or disorders associated with BCL-2, MYC, CCND1, MCL-1, ALK, KRAS-G12D) by administering to a subject in need thereof the compounds, or pharmaceutically acceptable salts thereof, or pharmaceutical compositions thereof.

专利号:US-2025091989-A1
优先权日:2023-09-19
标 题 :Small molecule protein synthesis modulators
发明人：GYGI DAVID; BAHMANYAR SOGOLE SAMI; HAMANN LAWRENCE
权利人:INTERDICT BIO INC
摘要:The present disclosure provides compounds of the formulae herein (e.g., Formula (I)), and pharmaceutically acceptable salts thereof, which are useful for modulating protein synthesis (e.g., modulating synthesis of BCL-2, MYC, CCND1, MCL-1, ALK, KRAS-G12D). The present disclosure also provides pharmaceutical compositions and kits comprising the compounds, or pharmaceutically acceptable salts thereof, and methods of treating or preventing diseases or disorders (e.g., diseases or disorders associated with BCL-2, MYC, CCND1, MCL-1, ALK, KRAS-G12D) by administering to a subject in need thereof the compounds, or pharmaceutically acceptable salts thereof, or pharmaceutical compositions thereof.

专利号:US-2023357286-A1
优先权日:2020-07-24
标 题:Ketone synthesis and applications
发明人：KISHI YOSHITO; UMEHARA ATSUSHI
权利人:HARVARD COLLEGE
摘要:Provided are new nickel./zirconium-mediated coupling reactions useful in the synthesis of ketone-containing compounds, e.g., halichondrin natural products and related molecules. A feature of the present disclosure is the use of a nickel(I) catalyst in tandem with a nickel (II) catalyst in the Ni/Zr-mediated coupling reactions. Without wishing to be bound by any particular theory, the nickel (I) catalyst selectively activates the electrophilic coupling partner (i.e., the compound of Formula (A)), and the nickel(ll) catalyst selectively activates the nucleophilic coupling partner (i.e., a thioester of Formula (B)). This dual catalyst system leads to improved coupling efficiency and eliminates the need for a large excess of one of the coupling partners (i.e., a compound of Formula (A) or (B)).