Chloromethyl benzoate → (1S,2S,3S,5R,6S)-2-amino-6-(((benzoyloxy)methoxy)carbonyl)-3-fluorobicyclo[3.1.0]hexane-2-carboxylic acid

HRID 1486675Notes

Reaction equation

C(OC([N:7]1[C@:11]2([C@@H:16]([F:17])[CH2:15][C@@H:14]3[C@H:12]2[C@H:13]3[C:18]([OH:20])=[O:19])[C:10](=[O:21])[O:9]C1)=O)C=C.[C:22]([O:30][CH2:31]Cl)(=[O:29])[C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1>>[NH2:7][C@@:11]1([C:10]([OH:9])=[O:21])[C@@H:16]([F:17])[CH2:15][C@@H:14]2[C@H:12]1[C@H:13]2[C:18]([O:20][CH2:31][O:30][C:22](=[O:29])[C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)=[O:19]

Participants

Reactant 2

HCID 79257Chloromethyl benzoate

HCID 117987522(1S,2S,3S,5R,6S)-3'-((allyloxy)carbonyl)-3-fluoro-5'-oxospiro[bicyclo[3.1.0]hexan-2,4'-oxazolidine]-6-carboxylic acid

Product 1

HCID 72550543(1S,2S,3S,5R,6S)-2-amino-6-(((benzoyloxy)methoxy)carbonyl)-3-fluorobicyclo[3.1.0]hexane-2-carboxylic acidYield 35.1%

Procedure

(1S,2S,3S,5R,6S)-3′-((Allyloxy)carbonyl)-3-fluoro-5′-oxospiro[bicyclo[3.1.0]hexan-2,4′-oxazolidine]-6-carboxylic acid (A-1-2, 500 mg) and chloromethyl benzoate (712 mg) were treated in the same manner as in Example A-1 (3) and (4) to give the title compound (A-9, 198 mg) as a colorless solid.

Sources & evidence

ORD record: ord-26196ccf18294fa885b147aa63dc6736
Source dataset: uspto-grants-2016_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09428483B2

Reaction notes

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