Home Cart Sign in  
Chemical Structure| 843666-40-0 Chemical Structure| 843666-40-0

Structure of tBu ester-C16-acid
CAS No.: 843666-40-0

Chemical Structure| 843666-40-0

*Storage: {[sel_prStorage]}

*Shipping: {[sel_prShipping]}

,{[proInfo.pro_purity]}

Synonyms: 18-(tert-Butoxy)-18-oxooctadecanoic acid; Boc-C16-COOH

4.5 *For Research Use Only !

{[proInfo.pro_purity]}
Cat. No.: {[proInfo.prAm]} Purity: {[proInfo.pro_purity]}

Change View

Size Price VIP Price

US Stock

Global Stock

In Stock
{[ item.pr_size ]} Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price, item.vip_usd) ]}

US Stock: ship in 0-1 business day
Global Stock: ship in 5-7 days

  • {[ item.pr_size ]}

In Stock

- +

Please Login or Create an Account to: See VIP prices and availability

US Stock: ship in 0-1 business day
Global Stock: ship in 2 weeks

  • 1-2 Day Shipping
  • High Quality
  • Technical Support
Product Citations

Alternative Products

Product Details of [ 843666-40-0 ]

CAS No. :843666-40-0
Formula : C22H42O4
M.W : 370.57
SMILES Code : O=C(O)CCCCCCCCCCCCCCCCC(OC(C)(C)C)=O
Synonyms :
18-(tert-Butoxy)-18-oxooctadecanoic acid; Boc-C16-COOH
MDL No. :MFCD09991735
InChI Key :WDUQJXKBWRNMKI-UHFFFAOYSA-N
Pubchem ID :27282473

Safety of [ 843666-40-0 ]

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

Computational Chemistry of [ 843666-40-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 26
Num. arom. heavy atoms 0
Fraction Csp3 0.91
Num. rotatable bonds 19
Num. H-bond acceptors 4.0
Num. H-bond donors 1.0
Molar Refractivity 110.96
TPSA ?

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

63.6 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

4.81
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

7.74
Log Po/w (WLOGP)?

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

6.65
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.

4.55
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

6.73
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

6.1

Water Solubility

Log S (ESOL):?

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

-5.76
Solubility 0.000644 mg/ml ; 0.00000174 mol/l
Class?

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

Moderately soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-8.92
Solubility 0.000000447 mg/ml ; 0.0000000012 mol/l
Class?

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

Poorly 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

-6.58
Solubility 0.0000984 mg/ml ; 0.000000265 mol/l
Class?

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

Poorly 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.

-3.07 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

1.0
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

1.0
Egan?

Egan (Pharmacia) filter: implemented from
Egan WJ. et al. 2000 J. Med. Chem.
WLOGP ≤ 5.88
TPSA ≤ 131.6

1.0
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

2.0
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<3.0
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)

3.26

Application In Synthesis of [ 843666-40-0 ]

* 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 [ 843666-40-0 ]

[ 843666-40-0 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 843666-40-0 ]
  • C49H47N2O6Pol [ No CAS ]
  • [ 84793-07-7 ]
  • [ 79-08-3 ]
  • [ 188715-40-4 ]
  • [ 166108-71-0 ]
  • 18-[[4-[[(1S)-4-[2-[2-[2-[2-[2-[2-[[(1S)-5-[(2-bromoacetyl)amino]-1-carboxypentyl]amino]-2-oxoethoxy]ethoxy]ethylamino]-2-oxoethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]carbamoyl]cyclohexyl]methylamino]-18-oxooctadecanoic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
64% Synthetic protocol: Wang Fmoc-Lys(Mtt) resin 0.26 mmol/g (1, 11.7 g, 3.05 mmol) was left to swell in 5 dichloromethane (100 ml) for 45 minutes. Fmoc group was removed by treatment with 20% piperidine in N,N-dimethylformamide (1 x 5 min, 1 x 10 min, 1 x 30 min, 3 x 90 ml). Resin was washed with N,N-dimethylformamide (3 x 90 ml), 2-propanol (3 x 90 ml) and dichloromethane (3 x 90 ml). A solution of {2-[2-(9H-fluoren-9ylmethoxycarbonylamino)-ethoxy]-ethoxy}-acetic acid (Fmoc-OEG-OH, 2.35 g, 6.09 10 mmol), 0-( 6-chlorobenzotriazol-1-yi)-N, N,N', N' -tetramethyluronium tetrafluoroborate (TCTU, 2.17 g, 6.09 mmol) and N,N-diisopropylethylamine (2.12 ml, 12.2 mmol) in N,Ndimethylformamide (100 ml) was added to resin and the mixture was shaken for 1 hour. Resin was filtered and washed with N,N-dimethylformamide (3 x 90 ml), dichloromethane (3 x 90 ml) and N,N-dimethylformamide (3 x 90 ml). Fmoc group was 15 removed by treatment with 20% piperidine in N,N-dimethylformamide (1 x 5 min, 1 x 10 min, 1 x 30 min, 3 x 90 ml). Resin was washed with N,N-dimethylformamide (3 x 90 ml), 2-propanol (3 x 90 ml) and dichloromethane (3 x 90 ml). Solution of {2-[2-(9Hfluoren-9-ylmethoxycarbonylamino)-ethoxy]-ethoxy}-acetic acid (Fmoc-OEG-OH, 2.35 g, 6.09 mmol), 0-(6-chloro-benzotriazol-1-yi)-N,N,N',N'-tetramethyluronium 20 tetrafluoroborate (TCTU, 2.17 g, 6.09 mmol) and N,N-diisopropylethylamine (2.12 ml, 12.2 mmol) in N,N-dimethylformamide (100 ml) was added to resin and mixture was shaken for 1.5 hour. Resin was filtered and washed with N,N-dimethylformamide (3 x 90 ml), dichloromethane (3 x 90 ml) and N,N-dimethylformamide (3 x 90 ml) to obtain intermediate 1. Fmoc group was removed by treatment with 20% piperidine in N,N25 dimethylformamide (1 x 5 min, 1 x 10 min, 1 x 30 min, 3 x 90 ml). Resin was washed with N,N-dimethylformamide (3 x 90 ml), 2-propanol (3 x 90 ml) and dichloromethane (3 x 90 ml). Solution of (S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-pentanedioic acid 1-tert-butyl ester (Fmoc-LGiu-OtBu, 1.94 g, 4.57 mmol), 0-(6-chloro-benzotriazol-1-yi)N,N,N',N'-tetramethyluronium tetrafluoroborate (TCTU, 1.62 g, 4.57 mmol) and N,N30 diisopropylethylamine (1.43 ml, 8.23 mmol) in N,N-dimethylformamide (100 ml) was wo 2017/220706 PCT/EP2017/065342 72 added to resin and mixture was shaken for 1.5 hour. Resin was filtered and washed with N,N-dimethylformamide (3 x 90 ml), dichloromethane (3 x 90ml) and N,Ndimethylformamide (3 x 90 ml). Fmoc group was removed by treatment with 20% piperidine in N,N-dimethylformamide (1 x 5 min, 1 x 10 min, 1 x 30 min, 3 x 90 ml). 5 Resin was washed with N,N-dimethylformamide (3 x 90 ml), 2-propanol (3 x 90 ml) and dichloromethane (3 x 90 ml). Solution of 4-[(9H-fluoren-9ylmethoxycarbonylamino )methyl]cyclohexanecarboxylic acid (<strong>[188715-40-4]Fmoc-Trx-OH</strong>, 1. 73 g, 4. 57 mmol), 0-( 6-chloro-benzotriazol-1-yi)-N,N,N', N'-tetramethyluronium tetrafluoroborate (TCTU, 1.62 g, 4.57 mmol) and N,N-diisopropylethylamine (1.43 ml, 8.23 mmol) in N,N10 dimethylformamide (100 ml) was added to resin and mixture was shaken for 1 hour. Resin was filtered and washed with N,N-dimethylformamide (3 x 90 ml), dichloromethane (3 x 90ml) and N,N-dimethylformamide (3 x 90 ml) to obtain intermediate2. Fmoc group was removed by treatment with 20% piperidine in N,Ndimethylformamide (1 x 5 min, 1 x 10 min, 1 x 30 min, 3 x 50 ml). Resin was washed 15 with N,N-dimethylformamide (3 x 50 ml), 2-propanol (3 x 50 ml) and dichloromethane (3 x 30 ml). Solution of octadecanedioic acid mono-tert-butyl ester (C18(0tBu)-OH, 0.85 g, 2.28 mmol), 0-(6-chloro-benzotriazol-1-yi)-N,N,N',N'-tetramethyluronium tetrafluoroborate (TCTU, 0.81 g, 2.28 mmol) and N,N-diisopropylethylamine (0. 72 ml, 4.11 mmol) in N,N-dimethylformamide (50 ml) was added to resin and mixture was 20 shaken for 1.5 hour. Resin was filtered and washed with N,N-dimethylformamide (3 x 50 ml), dichloromethane (3 x 50 ml) and N,N-dimethylformamide (3 x 50 ml). Mtt group was removed by treatment with 80% 1,1,1,3,3,3-hexafluoro-2-propanol in dichloromethane (2 x 10 min, 2 x 30 min, 4 x 50 ml). Resin was washed with dichloromethane (6 x 50 ml). Solution of bromoacetic acid (4.24 g, 30.5 mmol) and 25 N,N '-diisopropylcarbodiimide (DIC, 4.01 ml, 25.9 mmol) in N,N-dimethylformamide (50 ml) was added to resin and mixture was shaken for 45 minutes. Resin was filtered and washed with N,N-dimethylformamide (5 x 50 ml) and dichloromethane (10 x 50 ml). The product was cleaved from resin by treatment with trifluoroacetic acid (50 ml) for 1 hour. Resin was filtered off and washed with trifluoroacetic acid (1 x 25 ml) and 30 dichloromethane (2 x 30 ml). Solutions were combined and solvents were evaporated to dryness giving the compound as thick brownish oil. Yield: 2.18 mg (64%). 1H NMR spectrum (300 MHz, Ac0D-d4, 80C, dH): 4.72-4.55 (m, 2 H); 4.16 (s, 2 H); 4.12 (s, 2 H); 3.80-3.62 (m, 12 H); 3.58-3.44 (m, 4 H); 3.32 (t, J=6.8 Hz, 2 H); 3.15 35 (d, J=6.8 Hz, 2 H); 2.51-2.07 (m, 8 H); 2.01-1.77 (m, 6 H); ...
 

Historical Records

Technical Information

Categories

Related Functional Groups of
[ 843666-40-0 ]

Aliphatic Chain Hydrocarbons

Chemical Structure| 234081-96-0

A104959 [234081-96-0]

10-(tert-Butoxy)-10-oxodecanoic acid

Similarity: 1.00

Chemical Structure| 843666-27-3

A194358 [843666-27-3]

16-(tert-Butoxy)-16-oxohexadecanoic acid

Similarity: 1.00

Chemical Structure| 234081-98-2

A236332 [234081-98-2]

12-(tert-Butoxy)-12-oxododecanoic acid

Similarity: 1.00

Chemical Structure| 234081-94-8

A257544 [234081-94-8]

8-(tert-Butoxy)-8-oxooctanoic acid

Similarity: 1.00

Chemical Structure| 683239-16-9

A363139 [683239-16-9]

20-(tert-Butoxy)-20-oxoicosanoic acid

Similarity: 1.00

Esters

Chemical Structure| 234081-96-0

A104959 [234081-96-0]

10-(tert-Butoxy)-10-oxodecanoic acid

Similarity: 1.00

Chemical Structure| 843666-27-3

A194358 [843666-27-3]

16-(tert-Butoxy)-16-oxohexadecanoic acid

Similarity: 1.00

Chemical Structure| 234081-98-2

A236332 [234081-98-2]

12-(tert-Butoxy)-12-oxododecanoic acid

Similarity: 1.00

Chemical Structure| 234081-94-8

A257544 [234081-94-8]

8-(tert-Butoxy)-8-oxooctanoic acid

Similarity: 1.00

Chemical Structure| 683239-16-9

A363139 [683239-16-9]

20-(tert-Butoxy)-20-oxoicosanoic acid

Similarity: 1.00

Carboxylic Acids

Chemical Structure| 234081-96-0

A104959 [234081-96-0]

10-(tert-Butoxy)-10-oxodecanoic acid

Similarity: 1.00

Chemical Structure| 843666-27-3

A194358 [843666-27-3]

16-(tert-Butoxy)-16-oxohexadecanoic acid

Similarity: 1.00

Chemical Structure| 234081-98-2

A236332 [234081-98-2]

12-(tert-Butoxy)-12-oxododecanoic acid

Similarity: 1.00

Chemical Structure| 234081-94-8

A257544 [234081-94-8]

8-(tert-Butoxy)-8-oxooctanoic acid

Similarity: 1.00

Chemical Structure| 683239-16-9

A363139 [683239-16-9]

20-(tert-Butoxy)-20-oxoicosanoic acid

Similarity: 1.00