69651-48-5|(S)-2-((tert-Butoxycarbonyl)amino)-2-(4-hydroxyphenyl)acetic acid| Ambeed

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Quality Control of [ 69651-48-5 ] Purity: 97% SDS Specification

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Product Details of [ 69651-48-5 ]

CAS No. :	69651-48-5
Formula :	C₁₃H₁₇NO₅
M.W :	267.28
SMILES Code :	O=C(O)[C@@H](NC(OC(C)(C)C)=O)C1=CC=C(O)C=C1
MDL No. :	MFCD01860630
InChI Key :	LRWJRIFKJPPAPM-JTQLQIEISA-N
Pubchem ID :	11300124

Safety of [ 69651-48-5 ]

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319
Precautionary Statements:	P261-P305+P351+P338

Computational Chemistry of [ 69651-48-5 ] Show Less

Physicochemical Properties

Num. heavy atoms	19
Num. arom. heavy atoms	6
Fraction Csp3	0.38
Num. rotatable bonds	6
Num. H-bond acceptors	5.0
Num. H-bond donors	3.0
Molar Refractivity	68.56
TPSA ? Topological Polar Surface Area: Calculated from Ertl P. et al. 2000 J. Med. Chem.	95.86 Å²

Lipophilicity

Log P_o/w (iLOGP)? iLOGP: in-house physics-based method implemented from Daina A et al. 2014 J. Chem. Inf. Model.	1.99
Log P_o/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry	1.86
Log P_o/w (WLOGP)? WLOGP: Atomistic method implemented from Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.	1.72
Log P_o/w (MLOGP)? MLOGP: Topological method implemented from Moriguchi I. et al. 1992 Chem. Pharm. Bull. Moriguchi I. et al. 1994 Chem. Pharm. Bull. Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.	1.16
Log P_o/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com	0.78
Consensus Log P_o/w? Consensus Log P_o/w: Average of all five predictions	1.5

Water Solubility

Log S (ESOL):? ESOL: Topological method implemented from Delaney JS. 2004 J. Chem. Inf. Model.	-2.51
Solubility	0.832 mg/ml ; 0.00311 mol/l
Class? Solubility class: Log S scale Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly	Soluble
Log S (Ali)? Ali: Topological method implemented from Ali J. et al. 2012 J. Chem. Inf. Model.	-3.49
Solubility	0.0856 mg/ml ; 0.00032 mol/l
Class? Solubility class: Log S scale Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly	Soluble
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com	-2.2
Solubility	1.7 mg/ml ; 0.00635 mol/l
Class? Solubility class: Log S scale Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly	Soluble

Pharmacokinetics

GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg	High
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg	No
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) and tested on 415 molecules (test set) 10-fold CV: ACC=0.72 / AUC=0.77 External: ACC=0.88 / AUC=0.94	No
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) and tested on 3000 molecules (test set) 10-fold CV: ACC=0.83 / AUC=0.90 External: ACC=0.84 / AUC=0.91	No
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) and tested on 3000 molecules (test set) 10-fold CV: ACC=0.80 / AUC=0.86 External: ACC=0.80 / AUC=0.87	No
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) and tested on 2075 molecules (test set) 10-fold CV: ACC=0.78 / AUC=0.85 External: ACC=0.71 / AUC=0.81	No
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) and tested on 1068 molecules (test set) 10-fold CV: ACC=0.79 / AUC=0.85 External: ACC=0.81 / AUC=0.87	No
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) and tested on 2579 molecules (test set) 10-fold CV: ACC=0.77 / AUC=0.85 External: ACC=0.78 / AUC=0.86	No
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from Potts RO and Guy RH. 1992 Pharm. Res.	-6.61 cm/s

Druglikeness

Lipinski? Lipinski (Pfizer) filter: implemented from Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev. MW ≤ 500 MLOGP ≤ 4.15 N or O ≤ 10 NH or OH ≤ 5	0.0
Ghose? Ghose filter: implemented from Ghose AK. et al. 1999 J. Comb. Chem. 160 ≤ MW ≤ 480 -0.4 ≤ WLOGP ≤ 5.6 40 ≤ MR ≤ 130 20 ≤ atoms ≤ 70	None
Veber? Veber (GSK) filter: implemented from Veber DF. et al. 2002 J. Med. Chem. Rotatable bonds ≤ 10 TPSA ≤ 140	0.0
Egan? Egan (Pharmacia) filter: implemented from Egan WJ. et al. 2000 J. Med. Chem. WLOGP ≤ 5.88 TPSA ≤ 131.6	0.0
Muegge? Muegge (Bayer) filter: implemented from Muegge I. et al. 2001 J. Med. Chem. 200 ≤ MW ≤ 600 -2 ≤ XLOGP ≤ 5 TPSA ≤ 150 Num. rings ≤ 7 Num. carbon > 4 Num. heteroatoms > 1 Num. rotatable bonds ≤ 15 H-bond acc. ≤ 10 H-bond don. ≤ 5	0.0
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat implemented from Martin YC. 2005 J. Med. Chem.	0.56

Medicinal Chemistry

PAINS? Pan Assay Interference Structures: implemented from Baell JB. & Holloway GA. 2010 J. Med. Chem.	0.0 alert
Brenk? Structural Alert: implemented from Brenk R. et al. 2008 ChemMedChem	0.0 alert: heavy_metal
Leadlikeness? Leadlikeness: implemented from Teague SJ. 1999 Angew. Chem. Int. Ed. 250 ≤ MW ≤ 350 XLOGP ≤ 3.5 Num. rotatable bonds ≤ 7	No; 1 violation:MW<0.0
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties, trained on 12'782'590 molecules and tested on 40 external molecules (r² = 0.94)	2.55

Application In Synthesis of [ 69651-48-5 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

Downstream synthetic route of [ 69651-48-5 ]

[ 69651-48-5 ] Synthesis Path-Downstream 1~35

1
[ 69651-48-5 ]
[ 5680-79-5 ]
[ 71448-49-2 ]

References: [1]Journal of the American Chemical Society,2003,vol. 125,p. 1877 - 1887.

2
[ 69651-48-5 ]
[ 18107-18-1 ]
[ 225517-15-7 ]

Yield	Reaction Conditions	Operation in experiment
66%	In methanol; hexane; benzene; at 0℃;	In a 50 mL round bottomed flask was added a 1:1 mixture of benzene:methanol and N-tert-butoxycarbonyl-(S)-4-hydroxyphenylglycine (2.8 g, 11 mmol). The solution was cooled to 0 C. and a 2 M solution of trimethylsilyldiazomethane (Aldrich Chemical Co.) in hexane was added with vigorous stirring until a slight yellow color persisted. Then the reaction mixture solvents were removed under reduced pressure and the crude product was purified by flash chromatography (80/20 hexane/ethyl acetate) to give N-tert-butyloxycarbonyl-(S)-4-hydroxyphenylglycine, methyl ester (2.05 g, 7.3 mmol) (66% yield). 300 MHz 1H NMR (CDCl3): delta1.43 (s, 9H), 3.71 (s, 3H), 5.22 (br d, 1H), 5.57 (1H, br d), 5.80 (br s, 1H), (6.7 (d, 2H, J=8 Hz), 7.17 (d, 2H, J=8 Hz).
	With methanol; In toluene;	Preparation 15: (.S)-ferf-Butoxycarbonylamino-(4-hydroxyphenyl)acetic acid methyl ester; Trimethylsilyldiazomethane (5.40 mL, 7.62 mmol) was added dropwise to a solution of (5)-ferf-butoxycarbonylamino-(4-hydroxyphenyl)acetic acid (Preparation 14, 2.00 g, 7.48 mmol) in toluene:MeOH (4:1, 50 mL). The clear solution turned yellow and the MeOH was removed in vacuo. The remainder was diluted with EtOAc (100 mL), washed with H2O (50 mL), saturated NaHCO3 solution (50 mL) and brine (50 mL) before being dried (MgSO4), filtered and concentrated in vacuo, azeotroping several times with Et2O, to afford the title compound: RT = 2.98 min, m/z (ES+) = 282.1 [M + H]+.

References: [1]Patent: US6353099,2002,B1 .Location in patent: Page column 29 - 30.
[2]Tetrahedron Letters,2007,vol. 48,p. 4509 - 4513.
[3]Patent: WO2009/34388,2009,A1 .Location in patent: Page/Page column 23.

3
[ 69651-48-5 ]
[ 2462-31-9 ]
HCl*H-L-Hpg-Gly-OBn [ No CAS ]