Product
Supplier
Encyclopedia
Inquiry
Home > Encyclopedia > alpha, oMega-Dipropionic acid triethylene glycol

alpha, oMega-Dipropionic acid triethylene glycol

alpha, oMega-Dipropionic acid triethylene glycol structure

alpha, oMega-Dipropionic acid triethylene glycol 

structure
  • CAS No:

    31127-85-2

  • Formula:

    C12H22O8

  • Chemical Name:

    alpha, oMega-Dipropionic acid triethylene glycol

  • Synonyms:

    alpha, oMega-Dipropionic acid triethylene glycol;HOOC-PEG3-COOH;α,ω-Dipropionic acid triethylene glycol;4,7,10,13-Tetraoxahexadecanedioic acid;Bis-PEG4-acid;Bis-PEG5-acid;4,7,10,13-Tetraoxa-hexadecan-1,16-dicarbonsaeure;4,7,10,13-Tetraoxahexadecane-1,16-dioic acid

  • Categories:

    Chemical Reagents  >  Organic Reagents

alpha, oMega-Dipropionic acid triethylene glycol Basic Attributes

294

294.131

228-394-1

Characteristics

112

-1.4

1.219±0.06 g/cm3(Predicted)

alpha, oMega-Dipropionic acid triethylene glycol Use and Manufacturing

To a solution of compound 71(5.9 g, 20.05 mmol) in DMF (50 mL) were addedDIEA (3.6 mL, 20.67 mmol) and dropwise over 10 mm a solution of benzyl bromide(2.43 mL, 20.05 mmol) in DMF (50 mL). The reaction medium was stirred for 20 h atRT, quenched with 1 N HCI (500 mL) and extracted twice with EtOAc (200 mL). Thecombined organic phases were dried over Mg504, filtered, concentrated in vacuoand purified by two consecutive flash chromatographies on 400 g and 100 g of silicagel (gradient elution DCM/MeOH) to give 2.7 g of compound 72 as a pale green oil(35%).RMN 1H (300 MHz, oe in ppm, DMSO-d6): 2.42 (m, 2 H) ; 2.60 (t, J = 6.5 Hz, 2 H);3.47 (5, 6 H); 3.49 (5, 6 H); 3.59 (m, 2 H); 3.66 (d, J = 6.5 Hz, 2 H); 5.10 (5, 2 H);7.29 to 7.41 (m, 5 H).To compound 70 (8.05 g, 19.8 mmmol) was added formic acid (40 mL, 1.04 mol). The reaction medium was stirred for 1 d at RT, concentrated in vacuo and coevaporated with EtOAc (20 mL) to give 5.9 g of compound 71 as a colorless oil(quant.).RMN 1H (300 MHz, oe in ppm, DMSO-d6): 2.44 (t, J = 6.5 Hz, 4 H); 3.48 (5, 8 H); 3.50 (s, 4 H); 3.59 (d, J = 6.5 Hz, 4 H); 12.25 (broad m, 2 H).

Computed Properties

Molecular Weight:294.30
XLogP3:-1.4
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:8
Rotatable Bond Count:15
Exact Mass:294.13146766
Monoisotopic Mass:294.13146766
Topological Polar Surface Area:112
Heavy Atom Count:20
Complexity:230
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Recommended Suppliers of alpha, oMega-Dipropionic acid triethylene glycol

Latest News on alpha, oMega-Dipropionic acid triethylene glycol

Scan the QR Code to Share

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.