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Allyl bromide → (3S,5R,6S)-3-allyl-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-(cyclopropylmethyl)piperidin-2-one

HRID 931917
Notes
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Reaction equation

HRID 931917 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:8]2[C@@H:13]([C:14]3[CH:19]=[CH:18][C:17]([Cl:20])=[CH:16][CH:15]=3)[N:12]([CH2:21][CH:22]3[CH2:24][CH2:23]3)[C:11](=[O:25])[CH2:10][CH2:9]2)[CH:5]=[CH:6][CH:7]=1.[CH2:26](Br)[CH:27]=[CH2:28].C[Si]([N-][Si](C)(C)C)(C)C.[Li+]>C1COCC1>[CH2:28]([C@H:10]1[CH2:9][C@H:8]([C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([Cl:1])[CH:3]=2)[C@@H:13]([C:14]2[CH:15]=[CH:16][C:17]([Cl:20])=[CH:18][CH:19]=2)[N:12]([CH2:21][CH:22]2[CH2:24][CH2:23]2)[C:11]1=[O:25])[CH:27]=[CH2:26]
ParticipantsProcedureSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 7841Allyl bromideHCID 2733832Lithium hexamethyldisilazaneHCID 60154112(5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-(cyclopropylmethyl)piperidin-2-one

Product 1

HCID 60154122(3S,5R,6S)-3-allyl-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-(cyclopropylmethyl)piperidin-2-one

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

To a solution of (5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-(cyclopropylmethyl)piperidin-2-one (1481 mg, 3957 μmol; Example 35, Step A) and allyl bromide (360 μl, 4155 μmol) in THF (16 mL, 0.25 M) was added dropwise lithium bis(trimethylsilyl) amide (1M solution in THF, 4352 μl, 4352 μmol) at −78° C.

Sources & evidence

ORD record
ord-b2e6924b5c0d45cfa1601a2c180b3e85
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09296736B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes