N-BOC-1,6-diaminohexane Chemical Properties

Boiling point:

106-110 °C (0.3 mmHg)

Density 

0.965 g/mL at 20 °C(lit.)

refractive index 

n20/D 1.462

Flash point:

125 °C

storage temp. 

Keep in dark place,Inert atmosphere,2-8°C

solubility 

Soluble in dichloromethane and ethyl acetate.

form 

Viscous Liquid

pka

12.93±0.46(Predicted)

color 

Clear light yellow

Sensitive 

Air Sensitive

BRN 

2089264

InChI

InChI=1S/C11H24N2O2/c1-11(2,3)15-10(14)13-9-7-5-4-6-8-12/h4-9,12H2,1-3H3,(H,13,14)

InChIKey

RVZPDKXEHIRFPM-UHFFFAOYSA-N

SMILES

C(OC(C)(C)C)(=O)NCCCCCCN

CAS DataBase Reference

51857-17-1(CAS DataBase Reference)

Safety Information

Hazard Codes 

C

Risk Statements 

34

Safety Statements 

26-36/37/39-45

RIDADR 

UN 2735 8/PG 2

WGK Germany 

3

F 

10-34

HazardClass 

8

PackingGroup 

III

HS Code 

29241900

MSDS

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N-BOC-1,6-diaminohexane Usage And Synthesis

Chemical Properties

Off-White Solid

Uses

N-Boc-1,6-diaminohexane is used to prepare 1,3-Bis[6-(Boc-amino)hexyl]urea by reacting with carbonyl dichloride in the presence of triethylamine. Further, it is used as a reagent for the introduction of a C6-spacer.

Application

N-Boc-1,6-hexanediamine can be used as a linear hexyl spacer (C6-spacer) to synthesize:
Biodegradable poly(disulfide amine)s for gene delivery.
A multifunctional dendrimer for theranostics.
Polyamide platinum anti-cancer complexes designed to target cancer specific DNA sequences.
Self-assembled monolayers (SAMs) that resist adsorption of proteins.
[N-(6-(4-Hydroxy-6-isopropylamino-1,3,5-triazin-2-ylamino)hexyl)-5-hydroxy-1,4-naphthoquinone-3-propionamide] (JUG-HATZ), which can be used in designing electrochemical immunosensors.

Preparation

synthesis of N-BOC-1,6-diaminohexane: 1,6-Diaminohexane 3 (Fig. 1) (100 g, 0.86 mol) was dissolved in CH2Cl2 (300 ml) and cooled in an ice bath to 0–3°C. To the stirred solution 0.3 eq. di-tert-butyl bicarbonate (62.6 g, 0.29 mol) was added slowly over a period of 1 h. The reaction was allowed to warm up to r.t., and proceeded overnight. The reaction mixture was extracted with saturated aqueous NaHCO3 (50 ml, three times). The organic phases were pooled, dried, and evaporated under reduced pressure. The resulting oil was dissolved in 200 ml, 1 N HCl and extracted with ether. The aqueous phase was washed with ether, made basic to a pH of 10 with aqueous 2 N NaO3, and extracted with ethyl acetate. The organic phases were pooled, dried, and evaporated under reduced pressure. The resulting oil was dissolved in 200 ml, 1 N HCL and extracted with ether. The aqueous phase was washed with ether, made basic to a pH of 10 with aqueous 2 N NaOH, and extracted with ethyl acetate. The organic extracts were pooled, dried over Na2SO4 and evaporated to give 10.5 g of homogeneous N-BOC-1, 6- diaminohexane 2c (Fig. 1) as a yellow oil which was used without further purification.
TLC Rf 0.51; 1H NMR (CDCL3) d 4.54 (bs, 1H; NH), 3.05 1 2.62 (m, 4H; NCH2), 1.41 (m, 9H; CH3), 1.29 (m, 8H; CH2).
Evaluation of aminoalkylmethacrylate nanoparticles as colloidal drug carrier systems. Part I: synthesis of monomers, dependence of the physical properties on the polymerization methods

reaction suitability

reagent type: cross-linking reagent

Synthesis

GENERAL STEPS: 1,6-Diaminohexane (20.0 g, 172 mmol) was suspended in 50 mL of dichloromethane (DCM) at 0 °C. To this suspension was slowly added a solution of di-tert-butyl dicarbonate (Boc2O, 3.75 g, 17.2 mmol) dissolved in 24 mL of DCM. After addition, the ice bath was removed and the reaction mixture was allowed to warm up to room temperature with continuous stirring for 18 hours. After completion of the reaction, the precipitate was removed by filtration and the filtrate was washed sequentially with saturated aqueous sodium bicarbonate (3 x 50 mL), water (2 x 50 mL) and brine (50 mL). The organic layer was dried over anhydrous sodium sulfate, filtered and concentrated to give an oily product tert-butyl N-(6-aminohexyl)carbamate 3.1 g in 84% yield. The product was characterized by 1HNMR (300 MHz, CDCl3): δ 4.56 (s, 1H), 3.09 (dd, J=12.6,6.3Hz, 2H), 2.83-2.58 (t, 2H), 1.66-1.17 (m, 17H).

References

[1] Tetrahedron Letters, 2008, vol. 49, # 16, p. 2527 - 2532
[2] Journal of Materials Chemistry B, 2014, vol. 2, # 5, p. 502 - 510
[3] Bioorganic and Medicinal Chemistry Letters, 2010, vol. 20, # 23, p. 6956 - 6959
[4] Journal of Labelled Compounds and Radiopharmaceuticals, 2009, vol. 52, # 5, p. 139 - 145
[5] Bioorganic and Medicinal Chemistry, 2006, vol. 14, # 19, p. 6570 - 6580

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