Acetic Anhydride → HCID 15542237, compound

HRID 361676Notes

Reaction equation

[F:1][C:2]([F:42])([C:38]([F:41])([F:40])[F:39])[CH2:3][CH2:4][CH2:5][S:6][CH2:7][C@@H:8]1[CH2:12][CH2:11][CH2:10][N:9]1[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][C@@H:18]1[CH2:35][C:34]2[CH:33]=[C:32]([OH:36])[CH:31]=[CH:30][C:29]=2[C@@H:28]2[C@@H:19]1[C@H:20]1[C@@:24]([CH2:26][CH2:27]2)([CH3:25])[C@@H:23]([OH:37])[CH2:22][CH2:21]1.C(OC(=O)C)(=O)C.B1([O-])OO1.[OH2:54].[OH2:55].O.O.[Na+]>>[F:42][C:2]([F:1])([C:38]([F:39])([F:40])[F:41])[CH2:3][CH2:4][CH2:5][S:6]([CH2:7][C@@H:8]1[CH2:12][CH2:11][CH2:10][N:9]1[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][C@@H:18]1[CH2:35][C:34]2[CH:33]=[C:32]([OH:36])[CH:31]=[CH:30][C:29]=2[C@@H:28]2[C@@H:19]1[C@H:20]1[C@@:24]([CH2:26][CH2:27]2)([CH3:25])[C@@H:23]([OH:37])[CH2:22][CH2:21]1)(=[O:55])=[O:54]

Participants

Reactant 3

HCID 7918Acetic Anhydride

HCID 15542228HCID 15542228, compound

HCID 23693097Sodium;3-oxidodioxaborirane;tetrahydrate

Product 1

HCID 15542237HCID 15542237, compound

Procedure

Under the conditions of Example 3, 76 mg of 7α-{5-[(2S)-2-(4,4,5,5,5-pentafluoropentylthiomethyl)-pyrrolidin-1-yl]-pentyl}-estra-1,3,5(10)-triene-3,17β-diol (Example 26f) is acetylated with acetic anhydride, and the crude product is oxidized, as described in Example 4, with sodium perborate tetrahydrate, worked up and chromatographed. 31 mg of the title compound is obtained as oil. [α]D22 =30.6°(c=0.515 in methanol).

Workup

customchromatographed

Sources & evidence

ORD record: ord-8775c6ac5e2142c0b6d255053c363e5d
Source dataset: uspto-grants-1999_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05866560

Reaction notes

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