Water → (5S)-5-(acetylamino)-9,10,11-trimethoxy-6,7-dihydro-5H-dibenzo[a,c]cyclohepten-3-yl ethyl hydrogen phosphate

HRID 720957

반응식

HRID 720957 반응식
CC(C)C(O[C@H]1[C@H](OC(=O)C(C)C)[C@@H](COC(=O)C(C)C)O[C@H]([O:25][C:26]2[CH:27]=[CH:28][C:29]3[C:35]4[C:36]([O:44][CH3:45])=[C:37]([O:42][CH3:43])[C:38]([O:40][CH3:41])=[CH:39][C:34]=4[CH2:33][CH2:32][C@H:31]([NH:46][C:47](=[O:49])[CH3:48])[C:30]=3[CH:50]=2)[C@@H]1OC(=O)C(C)C)=O.[P:58](Cl)(Cl)([O:60][CH2:61][CH3:62])=[O:59].[OH2:65]>C1COCC1>[P:58]([OH:65])([O:60][CH2:61][CH3:62])([O:25][C:26]1[CH:27]=[CH:28][C:29]2[C:35]3[C:36]([O:44][CH3:45])=[C:37]([O:42][CH3:43])[C:38]([O:40][CH3:41])=[CH:39][C:34]=3[CH2:33][CH2:32][C@H:31]([NH:46][C:47](=[O:49])[CH3:48])[C:30]=2[CH:50]=1)=[O:59]

참가 물질

5

반응물 3

HCID 962WaterHCID 15158Ethyl dichlorophosphateHCID 69586443(2R,3R,4S,5R,6R)-2-[(5S)-5-(Acetylamino)-9,10,11-trimethoxy-6,7-dihydro-5H-dibenzo[a,c]cyclohepten-3-yl]oxy-3,5-bis(isobutyryloxy)-6-[(isobutyryloxy)methyl]tetrahydro-2H-pyran-4-yl 2-methylpropanoate

생성물 1

HCID 57016720(5S)-5-(acetylamino)-9,10,11-trimethoxy-6,7-dihydro-5H-dibenzo[a,c]cyclohepten-3-yl ethyl hydrogen phosphate수율 56%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매4회

반응 조건

온도
0 °C

실험 절차

A solution of N-acetyl-colchicinol (1) (0.36 g; 1.0 mmol) in THF (40 ml) under argon was cooled to 0° C. and treated with a 1.0M solution of lithiumHMDS in THF (1.1 ml; 1.1 mmol). The mixture was stirred at 0° C. for 1 hour and then added in portions over about 2 hours to a solution of ethyl dichlorophosphate (400 μl; 3.3 mmol) in THF (150 ml). The mixture was stirred at ambient temperature for 15 minutes. After addition of water (200 ml) the THF was removed by evaporation. After removal of the insoluble material by filtration, the filtrate was purified on HP20 SS resin eluting with a gradient of 0–60% methanol/water. The appropriate fractions were freeze-dried to give (5S)-5-(acetylamino)-9,10,11-trimethoxy-6,7-dihydro-5H-dibenzo[a,c]cyclohepten-3-yl ethyl hydrogen phosphate as a white solid (259 mg).

후처리

  1. stirringThe mixture was stirred at ambient temperature for 15 minutes
  2. customwas removed by evaporation
  3. customAfter removal of the insoluble material
  4. filtrationby filtration
  5. customthe filtrate was purified on HP20 SS resin
  6. washeluting with a gradient of 0–60% methanol/water
  7. customThe appropriate fractions were freeze-dried

출처 및 근거

ORD 기록
ord-95ada7e48d904c2f8cc910dd1ef46d62
출처 데이터셋
uspto-grants-2006_11
특허 번호
US07135502B1

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