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Chemical Structure| 146803-41-0 Chemical Structure| 146803-41-0

Structure of Fmoc-L-Ala-aldehyde
CAS No.: 146803-41-0

Chemical Structure| 146803-41-0

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Product Details of [ 146803-41-0 ]

CAS No. :146803-41-0
Formula : C18H17NO3
M.W : 295.33
SMILES Code : C[C@@H](C=O)NC(OCC1C2=CC=CC=C2C3=CC=CC=C13)=O
MDL No. :MFCD01318541
InChI Key :LJGFXAKKZLFEDR-LBPRGKRZSA-N
Pubchem ID :10017393

Safety of [ 146803-41-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Computational Chemistry of [ 146803-41-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 22
Num. arom. heavy atoms 12
Fraction Csp3 0.22
Num. rotatable bonds 6
Num. H-bond acceptors 3.0
Num. H-bond donors 1.0
Molar Refractivity 83.6
TPSA ?

Topological Polar Surface Area: Calculated from
Ertl P. et al. 2000 J. Med. Chem.

55.4 Ų

Lipophilicity

Log Po/w (iLOGP)?

iLOGP: in-house physics-based method implemented from
Daina A et al. 2014 J. Chem. Inf. Model.

2.59
Log Po/w (XLOGP3)?

XLOGP3: Atomistic and knowledge-based method calculated by
XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry

2.99
Log Po/w (WLOGP)?

WLOGP: Atomistic method implemented from
Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.

3.11
Log Po/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.

2.34
Log Po/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

3.29
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.86

Water Solubility

Log S (ESOL):?

ESOL: Topological method implemented from
Delaney JS. 2004 J. Chem. Inf. Model.

-3.56
Solubility 0.0809 mg/ml ; 0.000274 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.

-3.82
Solubility 0.045 mg/ml ; 0.000152 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

-5.48
Solubility 0.000985 mg/ml ; 0.00000333 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Moderately 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

Yes
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

Yes
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

Yes
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

Yes
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

Yes
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.

-5.98 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.

0.55

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

1.0 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)

3.51

Application In Synthesis of [ 146803-41-0 ]

* 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 [ 146803-41-0 ]

[ 146803-41-0 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 161529-13-1 ]
  • [ 146803-41-0 ]
YieldReaction ConditionsOperation in experiment
94.9% To a solution of oxalyl chloride (1.89 g, 15.0 mmol) in dry DCM (10 mL) at -65 C was added DMSO (1.2 g, 15.0 mmol) in dry DCM (10 mL) dropwise. After stirring for 30 min, N-Fmoc (5)-2-aminopropan-l-ol (3.0 g, 10.0 mmol) in dry DCM (20 mL) was added dropwise. After stirring for 2 hr, Et3N (3.0 g, 30 mmol) was added dropwise and the mixture was then warmed to room temperature gradually. The reaction mixture was treated with water, extracted with DCM (3 x 100 mL). The organic extract was washed with brine, and dried over anhydrous Na2S04. After filtration, the solvent was removed under reduced pressure to give the title compound (2.8 g, 94.9%).
94% With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; In ethyl acetate;Reflux; (S)-N-Cbz-2-aminopropanol (10 g, 48 mmol) was refluxed with 2- iodoxybenzoic acid (P3C) (34 g, 120 mmol) in EtOAc (300 mL) for 2-4 hours. After completion of the reaction (monitored by TLC), the P3C was filtered through celite. The filtrate was concentrated to dryness under vacuum to give the product (9.5 g, 94%).
With Dess-Martin periodane; In dichloromethane;Cooling with ice; General procedure: To the N-protected amino alcohol was added wet (Ref. C-17) DCM (in a ratio of from about 3.3 to 5.7 ml. per mmol of N-protected amino alcohol (more wet DCM was needed to solubilize the N-protected methioninol derivatives). This solution was cooled in an ice bath for about 10-30 minutes before proceeding. To the stirring solution was then added about 1 .5 to 2.1 equivalents of Dess-Martin Periodinane (DMP - divided into 2-5 portions and added portionwise over 10-20 minutes). The reaction was monitored by TLC and additional DMP was added until essentially all of the starting N-protected amino alcohol was consumed. Additional wet DCM was also added several times during the reaction (See: Ref. C-18). Generally the reaction was done in 1 -2 hours. When deemed complete, the reaction mixture was poured into a briskly stirring (preferably cooled in an ice bath) mixture of diethyl ether and an aqueous solution of sodium thiosulfate and NaHC03 as described by Myers et al. The remainder of the workup was also carried out essentially as described by Myers et al. The product N- protected aldehyde was generally used the same day in the reductive amination (discussed below in Example 9) as isolated from the extraction, without any further purification.
  • 2
  • [ 159610-89-6 ]
  • [ 108-24-7 ]
  • [ 146803-41-0 ]
  • [ 198561-07-8 ]
  • C22H35N9O6 [ No CAS ]
  • 3
  • [ 1097192-04-5 ]
  • [ 108-24-7 ]
  • [ 146803-41-0 ]
  • [ 198561-07-8 ]
  • C21H33N9O6 [ No CAS ]
  • 4
  • [ 1097192-04-5 ]
  • [ 108-24-7 ]
  • [ 146803-41-0 ]
  • [ 198561-07-8 ]
  • C21H33N9O6 [ No CAS ]
 

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