Реакция #1121730

ord-a6108a594ce945dab537ccccccce5210

Уравнение реакции

O=C1CCC(=O)O1
Succinic anhydride
CCCCC/C=C\C/C=C\CCCCCCCCOCCC(O)CN(C)C
1-(dimethylamino)-4-((9Z,12Z)-octadeca-9,12-dienyloxy)butan-2-ol
CCCCC/C=C\C/C=C\CCCCCCCCOCCC(CN(C)C)OC(=O)CCC(=O)O
4-(1-(dimethylamino)-4-((9Z,12Z)-octadeca-9,12-dienyloxy)butan-2-yloxy)-4-oxobutanoicacid

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    Температураthe resultant was refluxed for 18 hours under argon
  2. 2
    КонцентрированиеThe mixture was concentrated
  3. 3
    Другоеthe residue was partitioned between EtOAc (10 mL) and deionized water (20 mL)
  4. 4
    ДругоеThe layers were separated
  5. 5
    Экстракцияthe aqueous layer was extracted with two additional portions of EtOAc (25 mL)
  6. 6
    СушкаThe combined organic extracts were dried (MgSO4)
  7. 7
    Фильтрацияfiltered
  8. 8
    Концентрированиеconcentrated

Методика

Succinic anhydride (0.60 g, 5.99 mmol, 1.1 equiv) was added in one portion to a dry THF (11 mL) solution of 1-(dimethylamino)-4-((9Z,12Z)-octadeca-9,12-dienyloxy)butan-2-ol (2.0 g, 5.45 mmol, 1.0 equiv) and the resultant was refluxed for 18 hours under argon. The mixture was concentrated and the residue was partitioned between EtOAc (10 mL) and deionized water (20 mL). The layers were separated and the aqueous layer was extracted with two additional portions of EtOAc (25 mL). The combined organic extracts were dried (MgSO4), filtered and concentrated to provide crude 4-(1-(dimethylamino)-4-((9Z,12Z)-octadeca-9,12-dienyloxy)butan-2-yloxy)-4-oxobutanoicacid, a thick, yellow oil, which was used without further purification.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US08545877B2uspto-grants-2013_10