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MassBank Record: MSJ00653

(1R)-2,3-Dimethylcyclopent-2-en-1-yl acetate; GC-FI-TOF; MS; positive; FI; 10 kV

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSJ00653
RECORD_TITLE: (1R)-2,3-Dimethylcyclopent-2-en-1-yl acetate; GC-FI-TOF; MS; positive; FI; 10 kV
DATE: 2021.03.01
AUTHORS: Eiyu Imai, Takemichi Nakamura, Molecular Structure Characterization Unit, RIKEN
LICENSE: CC BY
COPYRIGHT: EIyu Imai, Takemichi Nakamura, Molecular Structure Characterization Unit, RIKEN
PUBLICATION: Kenji Mori and Jun Tabata, Tetrahedron 73 (2017) 6530-6541, DOI:10.1016/j.tet.2017.09.046.
COMMENT: JMS-T100GCV is a reflectron time-of-flight (reTOF) mass spectrometer. Temperature of the GC-transfer line was 200 C. Resolving power (FWHM, nominal) was 7,000.
COMMENT: Field ionization (FI) voltage, which is defined as the voltage between the emitter surface and the electrode, was 10 kV (default). Typical accuracy level expected was 10 ppm. Postrun m/z adjustment was made at a known mass, 154.0994.
COMMENT: This record was created by the financial support of MEXT/JSPS KAKENHI Grant Number 20HP8016 to the Mass Spectrometry Society of Japan.

CH$NAME: (1R)-2,3-Dimethylcyclopent-2-en-1-yl acetate
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C9H14O2
CH$EXACT_MASS: 154.09938
CH$SMILES: CC=1CC[C@@H](OC(=O)C)C=1C
CH$IUPAC: InChI=1S/C9H14O2/c1-6-4-5-9(7(6)2)11-8(3)10/h9H,4-5H2,1-3H3/t9-/m1/s1
CH$LINK: INCHIKEY SRKUBAOZYDBZLD-SECBINFHSA-N

AC$INSTRUMENT: JMS-T100GCV (JEOL, Akishima, Japan) coupled to Agilent 7890A (Agilent, Wilmington, USA) gas chromatograph.
AC$INSTRUMENT_TYPE: GC-FI-TOF
AC$MASS_SPECTROMETRY: MS_TYPE MS
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION FI
AC$CHROMATOGRAPHY: CARRIER_GAS Helium
AC$CHROMATOGRAPHY: COLUMN_NAME HP-5 19091 J-413 USD364547H (Agilent, Wilmington, USA), length 30.0 m, I.D. 0.32 mm, thickness 0.25 micrometer.
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE Held at initial oven temp. 70 C for 4 min and ramped at the rate of 30 C/min to 320 C and held at the final temp. for 1.67 min.
AC$CHROMATOGRAPHY: INJECTION_TEMPERATURE 250 C
AC$CHROMATOGRAPHY: RETENTION_TIME 6.09 min.

PK$SPLASH: splash10-0udi-1900000000-7c367e618503f2abab49
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  94.078 13.64 136
  95.084 1.48 15
  154.099 100.00 999
  155.102 9.22 92
//

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