Stereoselective Cycloaddition of Dibenzoxazepinium Ylides to Acetylenes and Fullerene C60. Conformational Behavior of 3-Aryldibenzo[b,f]pyrrolo[1,2-d][1,4]oxazepine Systems
Alexander F. Khlebnikov; Mikhail S. Novikov; Petr P. Petrovskii; Alexander S. Konev; Dmitrii S. Yufit; Stanislav I. Selivanov; Holm Frauendorf; Journal of Organic Chemistry 75 (2010) 5211–5215; doi:10.1021/jo100966j

data_4025568
_publ_contact_author_address
;
Department of Chemistry
Durham University
South Rd.
Durham
DH1 3LE
UK
;
_publ_contact_author_email       d.s.yufit@durham.ac.uk
_publ_contact_author_fax         '0191 384 4737'
_publ_contact_author_name        'Dmitry Yufit'
_publ_contact_author_phone       '0191 334 2004'
_publ_section_title
;
 Stereoselective Cycloaddition of Dibenzoxazepinium Ylides to Acetylenes
 and Fullerene C60. Conformational Behavior of
 3-Aryldibenzo[b,f]pyrrolo[1,2-d][1,4]oxazepine Systems
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5211
_journal_page_last               5215
_journal_paper_doi               10.1021/jo100966j
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C26 H18 Br N O5'
_chemical_formula_sum            'C26 H18 Br N O5'
_chemical_formula_weight         504.32
_chemical_melting_point          221
_chemical_name_systematic
;
Dimethyl 3-(2-bromophenyl)dibenzo[b,f]pyrrolo[1,2-d]
[1,4]oxazepine-1,2-dicarboxylate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.67(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.8566(6)
_cell_length_b                   18.5178(8)
_cell_length_c                   11.5398(6)
_cell_measurement_reflns_used    2910
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      23.636
_cell_measurement_theta_min      2.341
_cell_volume                     2106.13(19)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'SAINT v6.45A (Bruker, 2003)'
_computing_molecular_graphics
;
 OLEX2: a complete structure solution, refinement and analysis program.
 Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341
;
_computing_publication_material
;
 OLEX2: a complete structure solution, refinement and analysis program.
 Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)/Bruker'
_diffrn_ambient_temperature      120(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 8.0
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART CCD 6000 area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.1145
_diffrn_reflns_av_sigmaI/netI    0.1200
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            25197
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         1.10
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           35.0
_diffrn_source_power             1.75
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    1.993
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.591
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.367
_refine_diff_density_min         -0.454
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.940
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         5595
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.940
_refine_ls_R_factor_all          0.1081
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1108
_reflns_number_gt                3045
_reflns_number_total             5595
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100966j_si_004.cif
_cod_data_source_block           DAX6_12b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025568