Azetidines
These versatile molecules have diverse applications in organic synthesis and medicinal chemistry.
Their unique structural features and reactivity make them valuable building blocks for the preparation of various nitrogen-containing compounds.
Azetidines exhibit a wide range of biological activities and have been explored for their potential therapeutic properties, such as in the development of novel pharmaceuticals.
Researchers in the field of Azetidines can leverage PubCompare.ai's AI-driven platform to optimise their research protocols, effortlessly locate the best protocols from literature, pre-prints, and patents, and identify the most effective products, streamlining their research process.
Experienec the future of Azetidines research today with PubCompare.ai.
Most cited protocols related to «Azetidines»
Rf value: 0.14 (EtOAc/n-hexane 1:6), 0.64 (CH2Cl2/MeOH 95:5); 1H NMR (250.13 MHz, CDCl3) δ 8.27 (s, 1H, CHAr), 5.28-5.33 (m, 1H, CHazetidine), 4.68-4.75 (m, 2H, CH2 (azetidine)), 4.31 (q, 2H, J = 7.1 Hz, CH2 (ester)), 4.21-4.27 (m, 2H, CH2 (azetidine)), 2.71 (s, 3H, CH3 (pyridine)), 1.48 (s, 9H, 3x CH3), 1.39 (t, 3H, J = 7.1 Hz, CH3 (ester)); 13C NMR (125.80 MHz, CDCl3) δ 208.68, 165.38, 164.86, 161.23, 164.86, 146.20, 117.17, 104.83, 86.65, 60.89, 59.25, 41.40, 28.29, 25.72, 14.29; ESI-HRMS: calculated for C18H24N4O4: 360.18; found 383.1712 [M+Na]+.
Most recents protocols related to «Azetidines»
Example 182
6-(3-Fluoro-3-phenylazetidin-1-yl)quinoline-4-carboxylic acid Intermediate 343 (22 mg, 0.07 mmol), HATU (39 mg, 0.10 mmol) and DIPEA (48 μL, 0.27 mmol) were mixed in MeCN (1 mL) and EtOAc (1 mL). (R)-3-Glycylthiazolidine-4-carbonitrile hydrochloride Intermediate 4 (17 mg, 0.08 mmol) was added and the reaction mixture was stirred at rt for 1 h. DCM (8 mL) and NaHCO3 (5 mL, aq) were added, and the reaction mixture was stirred, filtered through a phase separator and evaporated under reduced pressure. The crude compound was purified by preparative SFC, PrepMethod SFC-E, (gradient: 30-35%), to give the title compound (2.4 mg, 7%); HRMS (ESI) m/z [M+H]+ calcd for C25H23FN5O2S: 476.1550, found: 476.1560.
Example 187
6-(3-(4-Chlorobenzyl)azetidin-1-yl)quinoline-4-carboxylic acid Intermediate 353 (80 mg, 0.23 mmol), HATU (129 mg, 0.34 mmol) and DIPEA (158 μL, 0.91 mmol) were mixed in MeCN (2 mL) and EtOAc (2 mL). (R)-3-Glycylthiazolidine-4-carbonitrile hydrochloride Intermediate 4 (56 mg, 0.27 mmol) was added and the reaction mixture was stirred at rt for 3 h. DCM (15 mL) and NaHCO3 (15 mL, aq) were added, and the reaction mixture was stirred, filtered through a phase separator and evaporated under reduced pressure. The crude compound was purified by preparative HPLC, PrepMethod F, (gradient 5-95%) to give the title compound (18 mg, 16%); HRMS (ESI) m/z [M+H]+ calcd for C26H25C1N5O2S: 506.1412, found: 506.1428; 1H NMR (600 MHz, DMSO-d6) δ 8.89 (t, 1H), 8.57 (d, 1H), 7.82 (d, 1H), 7.36 (d, 1H), 7.33-7.29 (m, 2H), 7.25 (d, 2H), 7.11-7.03 (m, 2H), 5.27-5.21 (m, 1H), 4.82 (d, 1H), 4.66 (d, 1H), 4.24 (d, 2H), 3.99 (q, 2H), 3.66-3.59 (m, 2H), 3.35-3.28 (m, 2H), 2.99 (dt, 1H), 2.90 (d, 2H).
Example 137
DIPEA (372 μL, 2.13 mmol) was added to a stirred suspension of 6-(3-ethyl-3-methylazetidin-1-yl)quinoline-4-carboxylic acid Intermediate 262 (115 mg, 0.43 mmol), (R)-3-glycylthiazolidine-4-carbonitrile hydrochloride Intermediate 4 (177 mg, 0.85 mmol), HOBt (172 mg, 1.28 mmol) and EDC (245 mg, 1.28 mmol) in MeCN (6 mL) and EtOAc (6 mL) at 20° C., and the reaction mixture was stirred at 50° C. for 2 h. The solvent was removed under reduced pressure, and the residue was dissolved in NaHCO3 (30 mL, aq) and EtOAc (80 mL). The phases were separated and the aqueous layer was extracted with EtOAc (4×75 mL). The combined organic layer was washed with water (3×50 mL), dried over Na2SO4, filtered and evaporated at reduced pressure. The crude product was purified by preparative HPLC, PrepMethod I, (gradient: 60-78%) to give the title compound (0.110 g, 61%) as a yellow solid; HRMS (ESI) m/z [M+H]+ calcd for C22H26N5O2S: 424.1802 found: 424.1802; 1H NMR (400 MHz, DMSO-d6) δ 9.02-8.90 (m, 1H), 8.61 (d, 1H), 7.87 (d, 1H), 7.39 (d, 1H), 7.17 (d, 1H), 7.10 (dd, 1H), 5.32 (dd, 1H), 4.89 (d, 1H), 4.71 (d, 1H), 4.30 (d, 2H), 3.70 (dd, 2H), 3.62 (d, 2H), 3.43-3.34 (m, overlapping with solvent), 1.63 (q, 2H), 1.27 (s, 3H), 0.90 (t, 3H).
Example 4
To a solution of (S)-2-(6-(2-ethyl-5-fluoro-4-hydroxyphenyl)-1H-indazol-3-yl)-5-propyl-4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine-6-carboxylic acid, TFA (30 mg, 0.052 mmol), N,N-dimethylazetidin-3-amine, 2HCl (27.0 mg, 0.156 mmol), and DIPEA (0.064 mL, 0.364 mmol) in DMF (1.5 mL), was added HATU (29.6 mg, 0.078 mmol) and the reaction mixture was stirred at RT overnight. Hydrazine (5 eq) was added, the reaction mixture was stirred at RT for 10 min, concentrated and purified by preparative HPLC to provide the TFA salt of the title compound (29.6 mg, 74% yield). (m/z): [M+H]+ calcd for C30H36FN7O2 546.29 found 546.6.
Example 186
6-(3-(m-Tolyl)azetidin-1-yl)quinoline-4-carboxylic acid Intermediate 351 (90 mg, 0.28 mmol), HATU (161 mg, 0.42 mmol) and DIPEA (197 μL, 1.13 mmol) were mixed in MeCN (2 mL) and EtOAc (2 mL). (R)-3-Glycylthiazolidine-4-carbonitrile hydrochloride Intermediate 4 (70 mg, 0.34 mmol) was added and the reaction mixture was stirred at rt for 3 h. DCM (15 mL) and NaHCO3 (15 mL, aq) were added, and the reaction mixture was stirred, filtered through a phase separator and evaporated under reduced pressure. The compound was purified by preparative HPLC, PrepMethod F, (gradient 5-95%) to give the title compound (58 mg, 51%); HRMS (ESI) m/z [M+H]+ calcd for C26H26N5O2S: 472.1802, found: 472.1792: 471.18; 1H NMR (600 MHz, DMSO-d6) δ 8.97 (t, 1H), 8.64 (d, 1H), 7.89 (d, 1H), 7.43 (d, 1H), 7.27 (d, 1H), 7.23-7.12 (m, 4H), 7.03 (d, 1H), 5.28 (dd, 1H), 4.84 (d, 1H), 4.67 (d, 1H), 4.38 (t, 2H), 4.27 (d, 2H), 3.99-3.88 (m, 3H), 3.37-3.26 (m, 2H), 2.27 (s, 3H).
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More about "Azetidines"
These versatile molecules have garnered significant attention in the realms of organic synthesis and medicinal chemistry due to their unique structural features and diverse reactivity.
As a key building block for the preparation of various nitrogen-containing compounds, azetidines have been extensively explored for their potential therapeutic applications.
One of the unique aspects of azetidines is their ability to exhibit a wide range of biological activities, making them a valuable target for drug discovery and development.
Researchers in the field of azetidines can leverage the power of PubCompare.ai's AI-driven platform to optimize their research protocols, effortlessly locate the best protocols from literature, preprints, and patents, and identify the most effective products, streamlining their research process.
In addition to their medicinal applications, azetidines have also found use in the preparation of other important compounds.
For instance, the 21.2×250 mm Luna Axia C18 column, XBridge C18, Gemini C18, Xbridge C18 150, and Lux Cellulose-4 columns have been employed in the analysis and purification of azetidine-containing molecules.
Furthermore, related compounds such as nicotine hydrogen tartrate salt, HPLC-grade acetonitrile, acetylcholine chloride (ACh), and cyclohexane (ACS) have also been utilized in azetidine-related research.
Experienec the future of azetidines research today with PubCompare.ai and unlock the full potential of this versatile class of compounds.
Discover new applications, optimize your research protocols, and stay ahead of the curve in the ever-evolving field of azetidines.