[1825–35; racem(icacid) + -ate2]This word is first recorded in the period 1825–35. Other words that entered Englishat around the same time include: archaic, cross section, electrolyte, individualism, panda
Examples of 'racemate' in a sentence
racemate
The crystals were twinned containing a 0.84:0.16 racemate.
Bin Jiang, Zhilu Liu 2009, 'Poly[[aqua(μ-4,4′-bipyridyl-κ2N:N′)bis(μ-formato-κ2O:O′)iron(II)] tetrahydrate]',Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536809034722. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The product crystallizes as a racemate in a polar space group.
Mehrdad Pourayoubi, Fatemeh Karimi Ahmadabad, Marek Nečas 2011, 'rac-Phenyl (benzylamido)(p-tolylamido)phosphinate', Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536811034465. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The image data are compared between the enantiomers and the racemate of salbutamol.
A. G. Miroshnichenko, Y. S. Bulgakova, V. Y. Perfiliev, N. G. Bazarnova 2017, 'Levosalbutamol as alternative to drugs on the basis of racemic salbutamol: Reviewof the results of pre-clinical research', Regulatory Mechanisms in Biosystemshttps://medicine.dp.ua/index.php/med/article/view/385. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Phthalidyl esters, commonly used prodrug moieties, are mostly prepared as a racemate.
Yingguo Liu, Qiao Chen, Chengli Mou, Lutai Pan, Xiaoyong Duan, Xingkuan Chen, HongzhongChen, Yanli Zhao, Yunpeng Lu, Zhichao Jin, Yonggui Robin Chi 2019, 'Catalytic asymmetric acetalization of carboxylic acids for access to chiral phthalidylester prodrugs', Nature Communicationshttp://link.springer.com/article/10.1038/s41467-019-09445-x. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The two enantiomers that constitute a racemate have different activities when employed as pharmaceuticals.
M. A. G. Santos, V. Veredas, I. J. Silva Jr., C. R. D. Correia, L. T. Furlan, C. C.Santana 2004, 'Simulated moving-bed adsorption for separation of racemic mixtures', Brazilian Journal of Chemical Engineeringhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322004000100013. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, it crystallizes as a racemate.
Abel M. Maharramov, Mirza A. Allahverdiyev, Elmar Y. Mammadov, Ayten R. Askerova,Bahruz A. Rashidov 2011, 'rac-2-tert-Butyl-2,4,5,6,6-pentachlorocyclohex-3-en-1-one', Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S160053681100897X. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the molecule, two stereogenic centres are of opposite chirality, whereas a racemate occurs in the crystal.
Viktor Kettmann, Jan Světlík, Lucia Veizerová 2010, 'rac-2-Methyl-3,4,5,6-tetrahydro-2H-2,6-methano-1,3-benzoxazocin-4-one', Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536810017848. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Nevertheless, the compound crystallizes as a racemate with two molecules of identical chirality in the asymmetric unit.
K. N. Vennila, M. Sankaran, P. S. Mohan, D. Velmurugan 2011, '(1R*,3′S*,4′R*)-4′-(4-Chlorophenyl)-3′-[(4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)carbonyl]-1′-methylspiro[acenaphthylene-1,2′-pyrrolidin]-2-one',Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536811048896. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)