Diethyl Ether → 3-Dipropylamino-5-isopropenylchroman

HRID 2257340Notes

Reaction equation

HRID 2257340 reaction equation
[CH2:1]([N:4]([CH2:18][CH2:19][CH3:20])[CH:5]1[CH2:14][C:13]2[C:8](=[CH:9][CH:10]=[CH:11][C:12]=2[C:15](=O)[CH3:16])[O:7][CH2:6]1)[CH2:2][CH3:3].[CH2:21](OCC)C>>[CH2:1]([N:4]([CH2:18][CH2:19][CH3:20])[CH:5]1[CH2:14][C:13]2[C:8](=[CH:9][CH:10]=[CH:11][C:12]=2[C:15]([CH3:21])=[CH2:16])[O:7][CH2:6]1)[CH2:2][CH3:3]

Participants

3

Reactant 2

HCID 3283Diethyl EtherHCID 102212133-Dipropylamino-5-acetylchroman

Product 1

HCID 190282133-Dipropylamino-5-isopropenylchroman

Procedure

3-Dipropylamino-5-acetylchroman (Example 7; 0.40 g, 1.45 mmol) was dissolved in dry diethyl ether (2.0 ml) and this solution was added to the previously formed Wittig-reagent.

Workup

  1. additionthis solution was added to the previously formed Wittig-reagent

Sources & evidence

ORD record
ord-d25929cda42c405b97483a6c70c8f21b
Source dataset
uspto-grants-1997_08
Patent number
US05656658

Reaction notes

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