Failure to observe electron circular dichroism in camphor

Trantham, Kenneth; Johnston, Mark

doi:10.1088/0953-4075/28/17/004

Cited by 19 publications

(8 citation statements)

References 15 publications

(7 reference statements)

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“…Chiral asymmetries were first observed in gas-phase electron-molecule collisions by the Münster group in 1995 for quasielastic scattering [3][4][5] (but, see also Refs. [6,7]). A number of interesting experiments done since then have involved the transmission of polarized electrons through solid chiral films [8][9][10].…”

mentioning

confidence: 99%

Anomalously Large Chiral Sensitivity in the Dissociative Electron Attachment of 10-Iodocamphor

Dreiling

Lewis

Mills³

et al. 2016

Phys. Rev. Lett.

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confidence: 99%

Anomalously Large Chiral Sensitivity in the Dissociative Electron Attachment of 10-Iodocamphor

Dreiling

Lewis

Mills³

et al. 2016

Phys. Rev. Lett.

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“…490 An unsuccessful search for electron circular dichroism, the preferential transmission of longitudinally polarised electrons through a chiral medium, has been carried out using both (R)-(+)-camphor 324 and its enantiomer. 491 Ab initio calculations of the vibrational CD spectrum of camphor 324 have been carried out using new methodology, and the results obtained are in good agreement with experiment. 492 The EI mass spectra of a series of 3-substituted camphor derivatives have been successfully analysed and correlated with the relative stereochemistries of the substituents.…”

Section: Camphanes and Isocamphanesmentioning

confidence: 57%

Monoterpenoids

Grayson¹

1998

Nat. Prod. Rep.

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Species Principal constituents ReferenceAbies balsamea Mill -and -pinene, -phellandrene, limonene Achillea biebersteinii Afan piperitone, or cineol and camphor Aloysia triphylla (L'Herit.) Britton citral, limonene Alpinia conchigera Griff. cineol Alseuosmia macrophylla A. Cunn. flowers: linalool Ambrosia microcephala DC. camphor, bornyl acetate Amomum subulatum Roxb. cineol, -terpineol, -and -pinene Artemisia afra yomogi alcohol, artemisyl acetate Artemisia afra Willd. cineol, terpinen-4-ol, borneol Artemisia ordosica -and -pinene, sabinene Austromyrtus dulcis (C. T. White) L. S. Smith (chemotype) -pinene, cineol Boronia megastigma Nees. -ionone, 8-hydroxylinalyl esters, geranyloxy cinnamate Bouea macrophylla Griff. ( E)--ocimene, -pinene Calamintha cretica piperitenone, piperitenone oxide Calamintha incana (Sm.) Boiss. piperitenone oxide Callistemon speciosus Anthor. cineol, -pinene, -terpineol Canella winteriana Gaertn. stem and bark: cineol, terpinen-4-ol, -terpinyl acetate, -terpineol; leaves: myrcene Cedronella canariensis Webb et Berth. ssp. canariensis pinocarvone Chamelaucium uncinatum genotypes -pinene, citronellal, limonene, linalool, -terpinyl acetate Chenopodium ambrosioides limonene, trans-pinocarveol Chenopodium botrys -8 Chrysanthemum balsamata carvone, camphor Chrysanthemum lavandulaefolium menthol Cinnamomum camphora Nees et Ebermaier camphor, cineol, terpinen-4-ol, limonene Cinnamomum puciflorum -2 Citrus grandis limonene Clausena anisata (Willd.) J. D. Hook limonene, myrcene Coleus aromaticus carvacrol, camphor Coreopsis barteri Oliv. & Hiern limonene, -phellandrene Coreopsis grandis Hogg ex Sweet myrcene Coriandrum sativum seeds: linalool Coridothymus capitatus Reich. f. carvacrol 98, 99 Cunila fasiculata menthofuran Cunila microcephala menthofuran, limonene Curcuma aeruginosa Roxb. cineol, camphor Curcuma amada Roxb. myrcene Curcuma aromatica Salisb. cineol, camphor, isoborneol, camphene Curcuma cochinchinensis Gagnep. cineol Curcuma domestica -phellandrene, cineol, p-cymene, -pinene Curcuma pierreana Gagnep. Rhizome, stem: isoborneol, isobornyl acetate leaf: isoborneol, camphor Croton aubrevillei J. Leonard linalool Croton zambesicus Muell. Arg. linalool Cyclotrichum origanifolium (Labill.) Manden. et Scheng. cis-isopulegone, pulegone, isomenthone, menthol Cymbopogon caesius (Nees et Hook. et Arn.) Stapf. perillyl alcohol, geraniol, limonene Cymbopogon citratus (DC.) Stapf. citral, geraniol, myrcene, -and -pinene Cymbopogon khasianus (Munro ex Hack.) Bor. geraniol, geranyl acetate, linalool Cymbopogon schoenanthus piperitone, limonene Daphne mezereum flowers: linalool, linalyl oxides Echinophora chryantha Freyn et Sint. -phellandrene Egletes viscosa various terpenol acetates Elsholtzia ciliata (Thunb.) Hyland chemotype (a): elsholtzia ketone, -thujone chemotype (b): neral, geranial, limonene

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“…Using our method, we have been able to control the instrumental asymmetry on the order of 10 -6 . This work was necessitated by a larger experiment involving electron circular dichroism in chiral molecules [1]. In this experiment, polarized electrons with alternating forward and backward longitudinal spins collide with a chirally pure molecular vapor target.…”

Section: Synopsismentioning

confidence: 99%