Category: 1953146-81-0

Recommanded Product: 1953146-81-0. Today I’d like to introduce a new chemical compound, CAS is 1953146-81-0, Name is 36-(((2R,3R,4R,5R,6R)-3-Acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-21,21-bis((3-((3-(5-(((2R,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)pentanamido)propyl)amino)-3-oxopropoxy)methyl)-19,26,32-trioxo-4,7,10,13,16,23-hexaoxa-20,27,31-triazahexatriacontan-1-oic acid, Formula is C75H134N10O35, Molecular Weight is 1735.91g/mol. Because of its complex structure and huge molecular weight, this compound is rarely understood. Now let me introduce some knowledge about its synthesis.

The general reactant of this compound is 1646203-74-8, Reagents is Hydrogen, Catalyst(Palladium), Solvent is Methanol, Products 12,19,25-Trioxo-14,14-bis[[3-oxo-3-[[3-[[1-oxo-5-[[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-galactopyranosyl]oxy]pentyl]amino]propyl]amino]propoxy]methyl]-29-[[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-galactopyranosyl]oxy]-16-oxa-13,20,24-triazanonacosanoic acid, Yield: 95%, Synthetic Methods procedure :1. Dissolve the reactant ( 10.50 g, 5.01 mmol ) in methanol, evaporate under reduced pressure to remove traces of chlorinated solvent from previous step., 2. Re-dissolve in MeOH and degas with argon., 3. Add 10 wt% Pd-C ( 1.0 g, wet Degussa type E101 NE/W ) and hydrogenate the reaction under normal pressure overnight., 4. Filter the reaction mixture through celite and wash with MeOH., 5. Evaporate the combined filtrate under reduced pressure., Transfornation (Hydrolysis or Hydrogenolysis of Carboxylic Esters or Thioesters. Characterization Data include ‘s Proton NMR Spectrum : ( 400 MHz, DMSO-d 6 ) : δ 11.93 ( brs, 1H, -COOH ) ; 7.91-7.81 ( m, 6H, NH ) ; 7.72 ( t, J = 5.6 Hz, 3H, NH ) ; 6.96 ( s, 1H, NH ) ; 5.20 ( d, J = 3.4, 3H, sugar H4 ) ; 4.96 ( dd, J = 3.4, 11.2 Hz, 3H, sugar H3 ) ; 4.48 ( d, J = 8.4, 3H, sugar H1 ) ; 4.05-3.97 ( m, 9H, sugar H5, H6, H6′ ) ; 3.86 ( dt, J = 8.8, 11.0 Hz, 3H, sugar H2 ) ; 3.69 ( dt, J = 6.0, 9.9 Hz, 3H ) ; 3.57-3.47 ( m, 12H ) ; 3.40 ( dt, J = 6.3, 9.9 Hz, 3H ) ; 3.07-2.98 ( m, 12H ) ; 2.27 ( t, J = 6.4 Hz, 6H ) ; 2.17 ( t, J = 7.4 Hz, 2H ) ; 2.09 ( s, 9H ) ; 2.03 ( t, J = 7.2 Hz, 8H ) ; 1.98 ( s, 9H ) ; 1.89 ( s, 9H ) ; 1.76 ( s, 9H ) ; 1.55-1.37 ( m, 22H ) ; 1.27-1.16 ( m, 12H ) ., Carbon-13 NMR : ( 101 MHz, DMSO-d 6 ) : δ 174.7, 172.6, 172.0, 170.2, 170.0, 169.9, 169.6, 169.4, 101.0, 70.5, 69.9, 68.7, 68.3, 67.4, 66.7, 61.5, 59.5, 49.4, 36.4, 36.3, 36.1, 35.9, 35.1, 34.0, 29.3, 28.97, 28.95, 28.8, 28.8, 28.6, 28.5, 25.3, 24.7, 22.8, 21.9, 20.5, 20.5, 20.4., Mass Spectrum: Mass calc. for C91H148N10O39: 2004.99; found: 2028.01 ( M+Na+, MALDI-TOF, matrix: HABA ) ., State is white solid

Recommanded Product: 1953146-81-0. I’m so glad you had the patience to read the whole article, if you want know more about 1953146-81-0, you can browse my other blog.

Reference:
CAS Reaction Number: 31-355-CAS-9994399,
,CAS Method Number: 3-614-CAS-3165786

Recommanded Product: 1953146-81-0. Today I’d like to introduce a new chemical compound, CAS is 1953146-81-0, Name is 36-(((2R,3R,4R,5R,6R)-3-Acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-21,21-bis((3-((3-(5-(((2R,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)pentanamido)propyl)amino)-3-oxopropoxy)methyl)-19,26,32-trioxo-4,7,10,13,16,23-hexaoxa-20,27,31-triazahexatriacontan-1-oic acid, Formula is C75H134N10O35, Molecular Weight is 1735.91g/mol. Because of its complex structure and huge molecular weight, this compound is rarely understood. Now let me introduce some knowledge about its synthesis.

The general reactant of this compound is (3R,5S)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-pyrrolidinol;12,19,25-Trioxo-14,14-bis[[3-oxo-3-[[3-[[1-oxo-5-[[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-galactopyranosyl]oxy]pentyl]amino]propyl]amino]propoxy]methyl]-29-[[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-galactopyranosyl]oxy]-16-oxa-13,20,24-triazanonacosanoic acid, Reagents is Diisopropylethylamine, 1-[Bis(dimethylamino)methylene]-1H-benzotriazolium hexafluorophosphate(1-) 3-oxide, Catalyst(), Solvent is Dichloromethane, Products (2S,4R)-2-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-hydroxy-λ-oxo-N-[2-[3-oxo-3-[[3-[[1-oxo-5-[[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-galactopyranosyl]oxy]pentyl]amino]propyl]amino]propoxy]-1,1-bis[[3-oxo-3-[[3-[[1-oxo-5-[[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-galactopyranosyl]oxy]pentyl]amino]propyl]amino]propoxy]methyl]ethyl]-1-pyrrolidinedodecanamide, Yield: 73%, Synthetic Methods procedure :1. Add HBTU ( 2.10 g, 5.55 mmol ) and DIEA ( 3 mL, 17 mmol ) to a solution of the acid ( 10.13 g, 5.05 mmol ) and amine ( 2.32 g, 5.55 mmol ) in DCM ( 100 mL ) ., 2. Stir the mixture for 2 hours at room temperature., 3. Dilute the reaction mixture with DCM and wash with water., 4. Purify the crude product by silica gel chromatography ( eluent: 3-15 % MeOH in DCM containing 0.1% Et3N ) ., , , Transfornation (Acylation of Nitrogen Nucleophiles by Carboxylic Acids. Characterization Data include ‘s Proton NMR Spectrum : ( 400 MHz, DMSO-d 6, mixture of rotamers: ~0.7 ( major ) , ~0.3 ( minor ) ) : δ7.87-7.79 ( m, 6H, NH ) , 7.73 ( t, J = 5.6 Hz, 3H, NH ) ; 7.34-7.24 ( m, 4H ) ; 7.24-7.14 ( m, 5H ) ; 6.97 ( s, 1H, NH ) ; 6.90-6.82 ( m, 4H ) ; 5.20 ( d, J = 3.4, 3H, sugar H4 ) ; 4.99-4.93 ( m, 3.7H ) ; 4.88 ( d, J = 4.2, 0.3H, OH ) ; 4.48 ( d, J = 8.4, 3H, sugar H1 ) ; 4.42-4.34 ( m, 0.7H ) ; 4.32-4.24 ( m, 0.3H ) ; 4.17-4.07 ( m, 1H ) ; 4.05-3.97 ( m, 9H, sugar H5, H6, H6′ ) ; 3.86 ( dt, J = 8.8, 10.9 Hz, 3H, sugar H2 ) ; 3.72 ( s, 6H ) ; 3.69 ( dt, J = 5.4, 9.8 Hz, 3H ) ; 3.62-3.44 ( m, 13H ) ; 3.39 ( dt, J = 6.4, 9.9 Hz, 3H ) ; 3.35-3.28 ( m, 0.7H ) ; 3.27-3.21 ( m, 0.3H ) ; 3.18-3.12 ( m, 1H ) ; 3.11-2.93 ( m, 13H ) ; 2.27 ( t, J = 6.2, 6H ) ; 2.19 ( t, J = 7.5, 1.7H ) ; 2.09 ( s, 9H ) ; 2.03 ( t, J = 7.3, 8.3H ) ; 1.98 ( s, 9H ) ; 1.96-1.80 ( m, 2H ) ; 1.89 ( s, 9H ) ; 1.76 ( s, 9H ) ; 1.55-1.37 ( m, 22H ) ; 1.12-1.30 ( m, 12H ) ., Carbon-13 NMR : , Mass Spectrum: , State is

Recommanded Product: 1953146-81-0. I’m so glad you had the patience to read the whole article, if you want know more about 1953146-81-0, you can browse my other blog.

Reference:
CAS Reaction Number: 31-355-CAS-9994399,
,CAS Method Number: 3-614-CAS-3165786