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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HRID 2072852생성일: 2026년 10월 25일

Diethyl Ether → 2,5-Methano-5H,9H-pyrimido(2,1-b)(1,5,3)dioxazepin-9-one, 2,3-dihydro-3-(hydroxymethyl)-8-methyl-, (2R,3R,5R)-

https://huagongshe.com/reaction/2072852

반응식

참여 물질

역할이름HCID투입량
반응물Diethyl EtherHCID 3283—
반응물Diphenyl carbonateHCID 7597—
반응물5-MethyluridineHCID 445408—
촉매Sodium BicarbonateHCID 516892—
용매MethanolHCID 887—
용매DimethylformamideHCID 6228—
생성물2,5-Methano-5H,9H-pyrimido(2,1-b)(1,5,3)dioxazepin-9-one, 2,3-dihydro-3-(hydroxymethyl)-8-methyl-, (2R,3R,5R)-HCID 457982101.4%

반응 조건

온도150 °C

반응 단계

A 100 mL round bottom flask equipped with magnetic stir bar, reflux condensor, and nitrogen inlet was charged with 5 g of ribothymidine, 4.7 g (1.2 eq) of diphenyl carbonate and 150 mg of sodium bicarbonate in 10 mL of DMF. The mixture was heated to 150° C. for 35 minutes. The black solution was diluted with 10 mL of MeOH and slowly added to 200 mL of diethyl ether. The tan product was filtered and dried to yield 4.4 g (96%) of anhydrothymidine.

출처 및 근거

DOI10.6084/m9.figshare.5104873.v1
특허 번호US04914233
출처 데이터셋uspto-grants-1990_04
ORD IDord-c0b3691bde8f4128a9160c5ebc5206ac
출처 메모uspto-grants-1990_04