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Diisopropylethylamine → N-(2-naphthylsulfonyl)-D-tryptophan (S)-1-t-butyoxycarbonyl-3-piperidinylmethyl ester

HRID 257273
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HRID 257273 반응식
[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1[S:11]([NH:14][C@@H:15]([C:26]([OH:28])=[O:27])[CH2:16][C:17]1[C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[NH:19][CH:18]=1)(=[O:13])=[O:12].C(N(C(C)C)C(C)C)C.O[CH2:39][C@H:40]1[CH2:45][CH2:44][CH2:43][N:42]([C:46]([O:48][C:49]([CH3:52])([CH3:51])[CH3:50])=[O:47])[CH2:41]1.F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1>CN(C=O)C>[C:49]([O:48][C:46]([N:42]1[CH2:43][CH2:44][CH2:45][C@H:40]([CH2:39][O:27][C:26](=[O:28])[C@@H:15]([CH2:16][C:17]2[C:25]3[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=3)[NH:19][CH:18]=2)[NH:14][S:11]([C:2]2[CH:3]=[CH:4][C:5]3[C:10](=[CH:9][CH:8]=[CH:7][CH:6]=3)[CH:1]=2)(=[O:13])=[O:12])[CH2:41]1)=[O:47])([CH3:52])([CH3:50])[CH3:51]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 1514448tert-Butyl (3S)-3-(hydroxymethyl)piperidine-1-carboxylateHCID 1800786(R)-3-(1H-Indol-3-yl)-2-(naphthalene-2-sulfonylamino)-propionic acid

생성물 1

HCID 70046983N-(2-naphthylsulfonyl)-D-tryptophan (S)-1-t-butyoxycarbonyl-3-piperidinylmethyl ester
수율 66.7%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A solution of 1.0 g of N-2-naphthylsulfonyl-(D)-tryptophan in 20 ml of DMF is treated with 0.5 ml of ethyldiisopropylamine. After the addition of 0.6 g of t-butyl (S)-3-hydroxymethyl-1-piperidinecarboxylate (Example 3c) and 1.1 g of benzotriazol-1-yloxy-tris(dimethylamino)phosphoniumhexafluorophosphate the reaction mixture is stirred for 15 hours. The solvent is evaporated and the residue is taken up in water and extracted with ethyl acetate. The ethyl acetate phase is washed with water, dried and evaporated. Chromatography over silica gel with ethyl acetate gives 1.0 g of N-(2-naphthylsulfonyl)-D-tryptophan (S)-1-t-butyoxycarbonyl-3-piperidinylmethyl ester.

후처리

  1. customThe solvent is evaporated
  2. extractionextracted with ethyl acetate
  3. washThe ethyl acetate phase is washed with water
  4. customdried
  5. customevaporated

출처 및 근거

ORD 기록
ord-fb8156a1562e444b925c421467effe31
출처 데이터셋
uspto-grants-1993_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05260307

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