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tert-Butyl 3-bromopropylcarbamate

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tert-Butyl 3-bromopropylcarbamate Basic information
Product Name:tert-Butyl 3-bromopropylcarbamate
Synonyms:N-(TERT-BUTOXYCARBONYL)-3-BROMOPROPYLAMINE;N-(3-BROMOPROPYL)CARBAMIC ACID TERT-BUTYL ESTER;TERT-BUTYL 3-BROMOPROPYLCARBAMATE;CarbaMic acid, N-(3-broMopropyl)-, 1,1-diMethylethyl ester;N-(3-Bromopropyl)carbamic Acid tert-Butyl Ester tert-Butyl N-(3-Bromopropyl)carbamate 3-(Boc-amino)propyl Bromide;CarbaMic acid, (3-broMopropyl)-, 1,1-diMethylethyl ester;N-Boc 3-broMopropan-1-aMine;3-(BOC-amino)propyl bromide,95%
CAS:83948-53-2
MF:C8H16BrNO2
MW:238.12
EINECS:
Product Categories:
Mol File:83948-53-2.mol
tert-Butyl 3-bromopropylcarbamate Structure
tert-Butyl 3-bromopropylcarbamate Chemical Properties
Melting point 37-39 °C
Boiling point 285.3±23.0 °C(Predicted)
density 1.279±0.06 g/cm3(Predicted)
storage temp. 2-8°C
solubility Chloroform (Slightly), Ethyl Acetate (Sparingly), Methanol (Slightly)
pka12.48±0.46(Predicted)
form Low Melting Solid
color White
BRN 4176344
InChIInChI=1S/C8H16BrNO2/c1-8(2,3)12-7(11)10-6-4-5-9/h4-6H2,1-3H3,(H,10,11)
InChIKeyIOKGWQZQCNXXLD-UHFFFAOYSA-N
SMILESC(OC(C)(C)C)(=O)NCCCBr
CAS DataBase Reference83948-53-2
Safety Information
Hazard Codes Xn
Risk Statements 22-36/37/38
Safety Statements 26-24/25
WGK Germany 3
F 10-21
HS Code 29241990
Storage Class11 - Combustible Solids
Hazard ClassificationsAcute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
MSDS Information
ProviderLanguage
SigmaAldrich English
tert-Butyl 3-bromopropylcarbamate Usage And Synthesis
Chemical PropertiesWhite low melting solid
Uses3-(Boc-amino)propyl bromide can be used as an alkylating reagent for the synthesis of:
  • Benzydamine analogs to be used as activators for soluble guanylate cyclase.
  • N-substituted chromenotriazolopyrimidine, human murine double minute 2 (MDM2) inhibitor.
  • Protected amines from piperidine derivatives to be further used for synthesis of sulfonamide series.

It can also be used for the post-polymerization quaternization of polymers to synthesize functional cationic polymers and antimicrobial agents.
reaction suitabilityreagent type: cross-linking reagent
Synthesis
Di-tert-butyl dicarbonate

24424-99-5

3-Bromopropylamine hydrobromide

5003-71-4

tert-Butyl 3-bromopropylcarbamate

83948-53-2

The general procedure for the synthesis of N-Boc-3-aminopropyl bromide from di-tert-butyl dicarbonate and 3-bromopropylamine hydrobromide is as follows: refer to Example 4, Synthesis of Boc-Aminopropyl Bromide: 1.222 g (5.58 mmol) of 3-bromopropylamine hydrobromide was dissolved in 20 mL of dichloromethane to which was added under cooling in an ice bath 0.778 mL (5.58 mmol) of triethylamine and 50 mL of dichloromethane. A solution of 1.214 g (5.56 mmol) of di-tert-butyl dicarbonate (Boc2O) was added slowly and dropwise over a period of 10 min, followed by stirring of the reaction mixture. After continued stirring at room temperature for 50 min, ethyl acetate was added to the reaction system and the organic phase was washed sequentially with 5% aqueous citric acid, water and saturated saline. The organic layer was dried over anhydrous sodium sulfate and concentrated under reduced pressure to remove the solvent to give 1.304 g of N-Boc-3-aminopropyl bromide in 98% yield. The structure of the product was confirmed by 1H-NMR. 1H-NMR (500 MHz, CDCl3) δ (ppm) = 1.44 (9H, s, Boc group), 2.05 (2H, quintet, -NHCH2CH2CH2Br), 3.28 (2H, quartet, -NHCH2CH2CH2Br), 3.44 ( 2H, triplet, -NHCH2CH2CH2Br), 4.64 (1H, s, NH).

References[1] Patent: EP1710257, 2006, A1
[2] Chemical Communications, 2013, vol. 49, # 51, p. 5784 - 5786
[3] Patent: EP3363463, 2018, A2. Location in patent: Paragraph 0170
[4] Patent: WO2003/99858, 2003, A1. Location in patent: Page 37
[5] Journal of Organic Chemistry, 2003, vol. 68, # 26, p. 10058 - 10066
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