Quinuclidine-4-carboxylic acid hydrochloride, cas is 40117-63-3, it is a common heterocyclic compound, the quinuclidine compound, its synthesis route is as follows.,40117-63-3
Step 5: (S)-4-((1-(5-(6-methoxynaphthalen-2-yl)-JH-imidazol-3-ium-2-yl)- 7-(methylamino)- 7-oxoheptyl)carbamoyl)quinuclidin-1-ium mono L-tartrate salt (E5) A solution of 4-carboxyquinuclidin-1-ium chlorhydrate (1.3 eq.) in DMF (0.2 M) was treated with TBTU (1.3 eq.) and NMM (2.6 eq.). The reaction mixture was stirred at room temperature for 10 mm and then added to a solution of E4 in DMF (0.2 M). The reaction was stirred at RT for 2 h, then filtered and purified by RP-HPLC (CH3CN/H20 + 0.1 % TFA). The product was obtained as TFA salt which was partitioned between EtOAc and sat. aq. NaHCO3. The organicphase was separated, dried (Na2504) and concentrated under reduced pressure. The resulting pale yellow solid was dissolved in acetonitrile/H20 (1:1) and treated with L-tartaric acid (1 eq.). The resulting solution was lyophilized to obtain the title compound. (400 MHz, 300K, DMSOd 6) oe: 11.5 (br s, 1H), 8.14 (br s, 1H), 7.95-7.73 (m, 4H), 7.66 (m, 1H), 7.54 (m, 1H), 7.27 (d, 1H, J2 Hz), 7.12 (dd, 1H, J8.8 and 2.4 Hz), 4.99 (m, 1H), 3.89 (s, 2H), 3.86 (s, 3H), 3.16 (m,6H), 2.54 (d, J4.4 Hz), 3H), 2.02 (t, 2H, J7.4 Hz), 2.01 (m, 6H), 1.83 (m, 2H), 1.48 (m, 2H),1.35-1.15 (m, 4H). MS (ESj C30H39N503: 518 (M+H).
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Reference£º
Patent; IRBM SCIENCE PARK S.P.A.; C.N.C.C.S. SCARL COLLEZIONE NAZIONALE DEI COMPOSTI CHIMICI E CENTRO SCREENING; ALTAMURA, Sergio; BIANCOFIORE, Ilaria; BRESCIANI, Alberto; FERRIGNO, Federica; HARPER, Steven; LAUFER, Ralph; ONTORIA ONTORIA, Jesus Maria; MALANCONA, Savina; MONTEAGUDO, Edith; NIZI, Emanuela; ORSALE, Maria Vittoria; PONZI, Simona; PAONESSA, Giacomo; SUMMA, Vincenzo; VENEZIANO, Maria; WO2014/67985; (2014); A1;,
Quinuclidine – Wikipedia
Quinuclidine | C7H13N | ChemSpider