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Crystal and molecular structures of two N-derivatives of Cα,α-diethylglycine*

Published/Copyright: August 25, 2010
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Zeitschrift für Kristallographie
From the journal Zeitschrift für Kristallographie Volume 199 Issue 3-4

Abstract

The crystal and molecular structures of N-formyl-C"'a-diethylglycine (1) and N-benzyloxycarbonyl-Cα,α-diethylglycine (2) have been determined by X-ray diffraction techniques. The compounds possess the following parameters: (1) monoclinic, space group C2/c (No. 15), a = 12.062(2) Å, b = 7.675(1) Å, c = 19.609(2) Å, β = 92.0(2)°, and Z = 8; (2) monoclinic, space group P21/n (No. 14), a = 11.111(2) Å, b = 14.189(2) Å, c = 9.425(2) Å, [3 = 97.7(2)°, and Z = 4. The crystal structures were solved by direct methods. The least-squares refinements led to R values of 0.052 and 0.060 for 1595 and 1630 reflections with F ≥ 7 σ(F) for (1) and (2), respectively. The conformation of the Cα,α-diethylglycyl residue is fully extended in the two derivatives. The dispositions of the amide group in (1) and of the urethane moiety in (2) are those commonly observed in analogous compounds.

Published Online: 2010-08-25
Published in Print: 1992

Articles in the same Issue

  1. The crystal structure of 7-hydroxy-4′-methoxyisoflavone
  2. The structures of dihydrophotoisodrin acetate and a dihydrophotoisodrin-dichloromethine addition product
  3. Structure of Be(IO3)2 · 2HIO3 · 6H2O
  4. EXCALIBR II
  5. The rutile structure of Al1−x□xO1−3xF1+3x, x = 0.0886
  6. Crystal and molecular structures of two N-derivatives of Cα,α-diethylglycine*
  7. Metal coordination in bis(metiamide)bis(isothiocyanato)cobalt(II) by powder X-ray diffraction
  8. Oxygen content and ordering in YBa2(Cu1−xMx)3O7−y (M = Au, Fe, Ga)
  9. Crystal and molecular structures of two N-carboxy anhydrides of Cα,α-disubstituted glycines*
  10. Structure and conformation of photosynthetic pigments and related compounds. 1. Methyl mesopyropheophorbide a
  11. Crystal and molecular structure of N-ethyl-1,8-naphthalimide
  12. Modelling the structures of La2NiO4
  13. Crystal structure of magnesium ultraphosphate, MgP4O11
  14. Crystal structure of hexacaesium triantimonidogallate, Cs6InSb3
  15. Crystal structure of hexarubidium triantimonidoaluminate, Rb6AlSb3
  16. Crystal structure of 5,6,7,8-tetrahydro-4H-cyclohepta[c]isothiazolio-(4-methyl)-benzamidate, C16H18N2OS
  17. Crystal structure refinement of bis-homo(dihydro)tetraaza[14]annulene bis(hydroperchlorate), C12H16N4(HCIO4)2
  18. Crystal structure of trans-bis(acetonitrile)-bis(1,2-bis(diphenylphosphino)ethane)iron(II)-bis-(tetrafluoroborate) bis(dichloromethane), (CH3CN)2(C26H24P2)2Fe(BF4)2(CH2Cl2)2
  19. Crystal structure refinement of chlorocarbonyl(sulfur dioxide)-bis(triphenylphosphine)-iridium, IrCl(CO)(SO2)(P(C6H5)3)2
  20. Crystal structure of N-tert.-butyloxycarbonyl-D-alanine benzylamide, C15H22N2O3
  21. Crystal structure of 10,10′-diphenyl-9,9′-bianthryl, (C6H5)(C14H8)2(C6H5)
  22. Crystal structure of 9,9′-bianthryl, (C14H9)2
  23. Crystal structure of 9-p-tolylanthracene, (C14H9)(C6H4)CH3
  24. Crystal structure of di-9-anthrylmethane, (C14H9)CH2(C14H9)
  25. Crystal structure of 9-(9-anthrylmethylidene)9,10-dihydroanthracene, (C14H10)CH(C14H9)
  26. Crystal structure of 9,10-diphenylanthracene, (C6H5)(C14H8)(C6H5)
  27. Crystal structure of ytterbium nickel dialuminium, YbNiAl2 with MgCuAl2 type
https://doi.org/10.1524/zkri.1992.199.3-4.203

Articles in the same Issue

  1. The crystal structure of 7-hydroxy-4′-methoxyisoflavone
  2. The structures of dihydrophotoisodrin acetate and a dihydrophotoisodrin-dichloromethine addition product
  3. Structure of Be(IO3)2 · 2HIO3 · 6H2O
  4. EXCALIBR II
  5. The rutile structure of Al1−x□xO1−3xF1+3x, x = 0.0886
  6. Crystal and molecular structures of two N-derivatives of Cα,α-diethylglycine*
  7. Metal coordination in bis(metiamide)bis(isothiocyanato)cobalt(II) by powder X-ray diffraction
  8. Oxygen content and ordering in YBa2(Cu1−xMx)3O7−y (M = Au, Fe, Ga)
  9. Crystal and molecular structures of two N-carboxy anhydrides of Cα,α-disubstituted glycines*
  10. Structure and conformation of photosynthetic pigments and related compounds. 1. Methyl mesopyropheophorbide a
  11. Crystal and molecular structure of N-ethyl-1,8-naphthalimide
  12. Modelling the structures of La2NiO4
  13. Crystal structure of magnesium ultraphosphate, MgP4O11
  14. Crystal structure of hexacaesium triantimonidogallate, Cs6InSb3
  15. Crystal structure of hexarubidium triantimonidoaluminate, Rb6AlSb3
  16. Crystal structure of 5,6,7,8-tetrahydro-4H-cyclohepta[c]isothiazolio-(4-methyl)-benzamidate, C16H18N2OS
  17. Crystal structure refinement of bis-homo(dihydro)tetraaza[14]annulene bis(hydroperchlorate), C12H16N4(HCIO4)2
  18. Crystal structure of trans-bis(acetonitrile)-bis(1,2-bis(diphenylphosphino)ethane)iron(II)-bis-(tetrafluoroborate) bis(dichloromethane), (CH3CN)2(C26H24P2)2Fe(BF4)2(CH2Cl2)2
  19. Crystal structure refinement of chlorocarbonyl(sulfur dioxide)-bis(triphenylphosphine)-iridium, IrCl(CO)(SO2)(P(C6H5)3)2
  20. Crystal structure of N-tert.-butyloxycarbonyl-D-alanine benzylamide, C15H22N2O3
  21. Crystal structure of 10,10′-diphenyl-9,9′-bianthryl, (C6H5)(C14H8)2(C6H5)
  22. Crystal structure of 9,9′-bianthryl, (C14H9)2
  23. Crystal structure of 9-p-tolylanthracene, (C14H9)(C6H4)CH3
  24. Crystal structure of di-9-anthrylmethane, (C14H9)CH2(C14H9)
  25. Crystal structure of 9-(9-anthrylmethylidene)9,10-dihydroanthracene, (C14H10)CH(C14H9)
  26. Crystal structure of 9,10-diphenylanthracene, (C6H5)(C14H8)(C6H5)
  27. Crystal structure of ytterbium nickel dialuminium, YbNiAl2 with MgCuAl2 type
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