Thermodynamically driven, syn-selective vinylogous aldol reaction of tetronamides.
Karak, Milandip; Barbosa, Luiz C. A.; Acosta, Jaime A. M.; Sarotti, Ariel M.; Boukouvalas, John; Organic & biomolecular chemistry 14 (2016) 4897–4907; doi:10.1039/c6ob00895j

data_7155103
_publ_section_title
;
 Thermodynamically driven, syn-selective vinylogous aldol reaction of
 tetronamides.
;
_journal_issue                   21
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4897
_journal_page_last               4907
_journal_paper_doi               10.1039/c6ob00895j
_journal_volume                  14
_journal_year                    2016
_chemical_formula_moiety         'C16 H13 Cl2 N O4'
_chemical_formula_sum            'C16 H13 Cl2 N O4'
_chemical_formula_weight         354.17
_space_group_crystal_system      orthorhombic
_space_group_IT_number           56
_space_group_name_Hall           '-P 2ab 2ac'
_space_group_name_H-M_alt        'P c c n'
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-02-02
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-03-21 deposited with the CCDC.
2016-05-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.8328(2)
_cell_length_b                   26.5383(4)
_cell_length_c                   9.25770(10)
_cell_measurement_reflns_used    9515
_cell_measurement_temperature    100
_cell_measurement_theta_max      72.13
_cell_measurement_theta_min      3.83
_cell_volume                     3152.81(8)
_computing_cell_refinement
'SAINT (2013) V8.34A; Integration Software for Single Crystal Data. Bruker AXS Inc., Madison, WI 53719-1173.'
_computing_data_collection
;
APEX 2 (2013) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction
'SAINT (2013) V8.34A; Integration Software for Single Crystal Data. Bruker AXS Inc., Madison, WI 53719-1173.'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 8.3
_diffrn_detector_type            'Bruker APEX2 CCD'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker Smart APEX'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Quazar MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0361
_diffrn_reflns_av_unetI/netI     0.0085
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            122420
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.178
_diffrn_reflns_theta_min         3.826
_diffrn_source                   'Microfocus Source'
_diffrn_source_target            Cu
_diffrn_source_type              'Incoatec I\mS High Brilliance Microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.886
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.4550
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1667 before and 0.0500 after correction.
The Ratio of minimum to maximum transmission is 0.6038.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.492
_exptl_crystal_description       plate
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.411
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0307
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0408P)^2^+2.3690P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0806
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3100
_reflns_number_total             3102
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ob00895j2.cif
_cod_data_source_block           boukv2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7155102--7155103.cif.
;
_cod_database_code               7155103
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C11(H11), C12(H12)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3A), C4(H4), C6(H6), C7(H7), C14(H14), C15(H15)
2.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              89485
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'