Cyclopentenol → (+)-methyl (1R)-2-pentyl-2-cyclopentene-1-acetate

HRID 1738582Notes

Reaction equation

[C:1]1(O)[CH2:5][CH2:4][CH2:3][CH:2]=1.[C:7]([O-:12])([O-])([O:9][CH3:10])[CH3:8]>>[CH2:3]([C:1]1[C@@H:5]([CH2:8][C:7]([O:9][CH3:10])=[O:12])[CH2:4][CH2:3][CH:2]=1)[CH2:2][CH2:1][CH2:5][CH3:4]

Participants

Reactant 2

HCID 18569Cyclopentenol

HCID 536300401-Methoxyethane-1,1-diolate

Product 1

HCID 10867559(+)-methyl (1R)-2-pentyl-2-cyclopentene-1-acetate

Procedure

Process according to claim 8, wherein said cyclopentenol is reacted with methyl orthoacetate in the presence of pyvalic acid to provide (+)-methyl (1R)-2-pentyl-2-cyclopentene-1-acetate.

Sources & evidence

ORD record: ord-7eef57d82ac7433a8b19473aefe4811b
Source dataset: uspto-grants-1999_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05962706

Reaction notes

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