Enantiospecific 6π-photocyclization of atropisomeric α-substituted acrylanilides in the solid-state: role of crystalline confinement on enantiospecificity.
Ayitou, Anoklase Jean-Luc; Vallavoju, Nandini; Ugrinov, Angel; Sivaguru, J.; Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 10 (2011) 1380–1383; doi:10.1039/c1pp05057e

data_1515736
_publ_section_title
;
 Enantiospecific 6\p-photocyclization of atropisomeric \a-substituted
 acrylanilides in the solid-state: role of crystalline confinement on
 enantiospecificity.
;
_journal_issue                   9
_journal_name_full
'Photochemical &amp; photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology'
_journal_page_first              1380
_journal_page_last               1383
_journal_paper_doi               10.1039/c1pp05057e
_journal_volume                  10
_journal_year                    2011
_chemical_absolute_configuration unk
_chemical_formula_sum            'C17 H25 N O'
_chemical_formula_weight         259.38
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2010-01-17T12:29:33-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 99.836(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.7219(13)
_cell_length_b                   14.862(2)
_cell_length_c                   12.6513(18)
_cell_measurement_reflns_used    3931
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.04
_cell_measurement_theta_min      2.74
_cell_volume                     1615.8(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_unetI/netI     0.0255
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6999
_diffrn_reflns_theta_full        27.03
_diffrn_reflns_theta_max         27.03
_diffrn_reflns_theta_min         2.74
_exptl_absorpt_coefficient_mu    0.065
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.78531
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.066
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.141
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.0(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         3366
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0497
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0782P)^2^+0.1202P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1134
_refine_ls_wR_factor_ref         0.1215
_reflns_number_gt                2910
_reflns_number_total             3366
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1pp05057e.txt
_cod_data_source_block           1c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               1515736