Combining photochemistry and catalysis: rapid access to sp3– rich polyheterocycles from simple pyrroles
Blackham, Emma E.; Knowles, Jonathan P.; Burgess, Jonathan; Booker-Milburn, Kevin I.; Chem. Sci. 7 (2016) 2302–; doi:10.1039/C5SC04062K

data_1542275
_publ_section_title
;
 Combining photochemistry and catalysis: rapid access to sp3-- rich
 polyheterocycles from simple pyrroles
;
_journal_issue                   3
_journal_name_full               'Chem. Sci.'
_journal_page_first              2302
_journal_paper_doi               10.1039/C5SC04062K
_journal_volume                  7
_journal_year                    2016
_chemical_formula_moiety         'C21 H22 N4 O'
_chemical_formula_sum            'C21 H22 N4 O'
_chemical_formula_weight         346.42
_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   geom
_audit_creation_date             2015-12-09
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2015-12-09 deposited with the CCDC.
2016-01-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.862(3)
_cell_length_b                   10.4975(17)
_cell_length_c                   16.690(3)
_cell_measurement_reflns_used    4336
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      2.44
_cell_volume                     3655.1(10)
_computing_cell_refinement       'SAINT v8.27A (Bruker, 2012)'
_computing_data_reduction        'SAINT v8.27A (Bruker, 2012)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Bruker area detector'
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'Bruker Apex II kappa CCD area detector'
_diffrn_measurement_device_type  'Bruker Apex II kappa CCDC area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0710
_diffrn_reflns_av_unetI/netI     0.0426
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            27920
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.589
_diffrn_reflns_theta_min         1.952
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7418
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0715 before and 0.0556 after correction.
The Ratio of minimum to maximum transmission is 0.7418.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.259
_exptl_crystal_description       block
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         4220
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0867
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0461P)^2^+1.9065P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1068
_refine_ls_wR_factor_ref         0.1232
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2876
_reflns_number_total             4220
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5sc04062k3.cif
_cod_data_source_block           10a
_cod_depositor_comments
'Adding full bibliography for 1542275--1542277.cif.'
_cod_original_cell_volume        3655.2(10)
_cod_database_code               1542275
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C9(H9), C11(H11)
2.b Secondary CH2 refined with riding coordinates:
 C12(H12A,H12B), C13(H13A,H13B), C16(H16A,H16B), C20(H20A,H20B)
2.c Aromatic/amide H refined with riding coordinates:
 N4(H4), C2(H2), C3(H3), C4(H4A), C5(H5), C6(H6), C14(H14), C15(H15)
2.d Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C)
;
_shelx_res_checksum              97462
_olex2_submission_special_instructions 'No special instructions were received'