Protecting Group Free, Stereocontrolled Synthesis of β-Halo-enamides
Adele E. Pasqua; James J. Crawford; De-Liang Long; Rodolfo Marquez; Journal of Organic Chemistry 77 (2012) 2149–2158; doi:10.1021/jo202130e

data_4027001
_publ_section_title
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 Protecting Group Free, Stereocontrolled Synthesis of \b-Halo-enamides
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_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2149
_journal_page_last               2158
_journal_paper_doi               10.1021/jo202130e
_journal_volume                  77
_journal_year                    2012
_chemical_formula_sum            'C11 H17 N O3'
_chemical_formula_weight         211.26
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                107.971(6)
_cell_angle_beta                 101.168(6)
_cell_angle_gamma                105.691(6)
_cell_formula_units_Z            1
_cell_length_a                   5.8915(4)
_cell_length_b                   6.4911(4)
_cell_length_c                   8.4228(5)
_cell_measurement_reflns_used    1699
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.6
_cell_measurement_theta_min      3.51
_cell_volume                     281.14(4)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
;
_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
;
_computing_data_reduction
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.438
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini Ultra'
_diffrn_measurement_method       '\w & \p scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0397
_diffrn_reflns_av_sigmaI/netI    0.0599
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            4450
_diffrn_reflns_theta_full        25.69
_diffrn_reflns_theta_max         25.69
_diffrn_reflns_theta_min         3.52
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             114
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.15
_refine_diff_density_min         -0.21
_refine_diff_density_rms         0.04
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.4(13)
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         2052
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0680
_refine_ls_R_factor_gt           0.0473
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0449P)^2^+0.0118P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.1022
_reflns_number_gt                1629
_reflns_number_total             2052
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo202130e_si_004.cif
_cod_data_source_block           elisa211f3
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_cell_volume        281.14(3)
_cod_database_code               4027001