Acetic Anhydride → HCID 23240445, compound

HRID 481289Notes

Reaction equation

HRID 481289 reaction equation
[CH2:1]1[S:27][CH:5]([C@H:6]([C@H:15]([CH2:24][CH2:25][OH:26])[O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)[O:7][CH2:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[S:4][CH2:3][CH2:2]1.[C:28](OC(=O)C)(=[O:30])[CH3:29]>>[CH2:3]1[S:4][CH:5]([C@H:6]([C@H:15]([CH2:24][CH2:25][O:26][C:28](=[O:30])[CH3:29])[O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)[O:7][CH2:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[S:27][CH2:1][CH2:2]1

Participants

3

Reactant 2

HCID 7918Acetic AnhydrideHCID 23240444HCID 23240444, compound

Product 1

HCID 23240445HCID 23240445, compound

Procedure

Step (4'): The primary hydroxyl group of Compound 68 is acetylated with acetic anhydride to produce 5-O-acetyl-2,3-di-O-benzyl-4-deoxy-L-erythro-pentose trimethylene dithioacetal [Compound 69] of the formula ##STR109##

Sources & evidence

ORD record
ord-d3daf05ba2c54e118303f51e7836e299
Source dataset
uspto-grants-1998_08
Patent number
US05789386

Reaction notes

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