Triethylamine → Phytanyl Mesylate

HRID 1478958Notes

Reaction equation

HRID 1478958 reaction equation
[CH2:1]([OH:21])[CH2:2][CH:3]([CH2:5][CH2:6][CH2:7][CH:8]([CH2:10][CH2:11][CH2:12][CH:13]([CH2:15][CH2:16][CH2:17][CH:18]([CH3:20])[CH3:19])[CH3:14])[CH3:9])[CH3:4].C(N(CC)CC)C.[CH3:29][S:30](Cl)(=[O:32])=[O:31]>ClCCl>[S:30]([O:21][CH2:1][CH2:2][CH:3]([CH2:5][CH2:6][CH2:7][CH:8]([CH2:10][CH2:11][CH2:12][CH:13]([CH2:15][CH2:16][CH2:17][CH:18]([CH3:20])[CH3:19])[CH3:14])[CH3:9])[CH3:4])(=[O:32])(=[O:31])[CH3:29]

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 102459Dihydrophytol

Product 1

HCID 60047967Phytanyl MesylateYield 100%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent3×

Conditions

Temperature
-10 °C

Procedure

To a solution of phytanol (14.98 g, 50.2 mmol) in anhydrous dichloromethane (150 mL) under nitrogen was added triethylamine (7.7 mL, 55.2 mmol). The solution was cooled to −10° C. and then a solution of methanesulfonyl chloride (11.51 g, 100.5 mmol) in anhydrous dichloromethane (100 mL) was added dropwise over 30 minutes. Upon completion, the solution was diluted to 500 mL using dichloromethane. The solution was washed twice with saturated NaHCO3, dried over MgSO4, filtered, and concentrated to dryness to afford the product as a colorless oil (18.9 g, 100%).

Workup

  1. additionUpon completion, the solution was diluted to 500 mL
  2. washThe solution was washed twice with saturated NaHCO3
  3. dry with materialdried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated to dryness

Sources & evidence

ORD record
ord-d41b369c268947d5927b501ce3f40c82
Source dataset
uspto-grants-2016_08
Patent number
US09404127B2

Reaction notes

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