Diisopropylethylamine → (9H-fluoren-9-yl)methyl ((14R,18R)-1-(diethoxyphosphoryl)-18-dodecanamido-13-oxo-3,6,9,20-tetraoxa-16-thia-12-azadotriacontan-14-yl)carbamate
Reaction equation
C1C2[CH:12]([CH2:14][O:15][C:16]([NH:18][C@@H:19]([CH2:23][S:24][CH2:25][C@H:26]([NH:41][C:42](=[O:54])[CH2:43][CH2:44][CH2:45][CH2:46][CH2:47][CH2:48][CH2:49][CH2:50][CH2:51][CH2:52][CH3:53])[CH2:27][O:28][CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][CH2:35][CH2:36][CH2:37][CH2:38][CH2:39][CH3:40])[C:20](O)=[O:21])=[O:17])[C:11]3[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=3)C=2C=CC=1.CN(C(ON1N=N[C:65]2[CH:66]=[CH:67][CH:68]=[CH:69][C:64]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.[NH2:88][CH2:89][CH2:90][O:91][CH2:92][CH2:93][O:94][CH2:95][CH2:96][O:97][CH2:98][CH2:99][P:100](=[O:107])([O:104][CH2:105][CH3:106])[O:101][CH2:102][CH3:103]>C(Cl)Cl>[CH2:105]([O:104][P:100]([CH2:99][CH2:98][O:97][CH2:96][CH2:95][O:94][CH2:93][CH2:92][O:91][CH2:90][CH2:89][NH:88][C:20](=[O:21])[C@@H:19]([NH:18][C:16](=[O:17])[O:15][CH2:14][CH:12]1[C:65]2[CH:66]=[CH:67][CH:68]=[CH:69][C:64]=2[C:10]2[C:11]1=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH2:23][S:24][CH2:25][C@H:26]([NH:41][C:42](=[O:54])[CH2:43][CH2:44][CH2:45][CH2:46][CH2:47][CH2:48][CH2:49][CH2:50][CH2:51][CH2:52][CH3:53])[CH2:27][O:28][CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][CH2:35][CH2:36][CH2:37][CH2:38][CH2:39][CH3:40])([O:101][CH2:102][CH3:103])=[O:107])[CH3:106]Participants
6
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Procedure
To a solution of (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(((R)-2-dodecanamido-3-(dodecyloxy)propyl)thio)propanoic acid (1 eq) and HBTU (1.2 eq) in DCM (0.06 M) was added DIEA (3.5 eq), followed by diethyl (2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethyl)phosphonate (1.2 eq, from example 18, step 4). The reaction was stirred at room temperature for 2 hours. The crude mixture was purified by flash chromatography on a COMBIFLASH® system (ISCO) using 0-5% MeOH/DCM to give the title product as a white solid.
Workup
- customThe crude mixture was purified by flash chromatography on a COMBIFLASH® system (ISCO)
Sources & evidence
- ORD record
- ord-c8f157fb1a5a4520a9bd2bd5751cf684
- Source dataset
- uspto-grants-2014_08
- Patent number
- US08808703B2
Reaction notes
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