Direct Synthesis of Substituted Naphthalenes from 1,3-Dicarbonyl Compounds and 1,2-Bis(halomethyl)benzenes Including a Novel Rearrangement Aromatization of Benzo[c]oxepine.
Wang, Jun-Gang; Wang, Meng; Xiang, Jia-Chen; Zhu, Yan-Ping; Xue, Wei-Jian; Wu, An-Xin; Organic letters 14 (2012) 6060–6063; doi:10.1021/ol302950w

data_1508786
_publ_section_title
;
 Direct Synthesis of Substituted Naphthalenes from 1,3-Dicarbonyl
 Compounds and 1,2-Bis(halomethyl)benzenes Including a Novel Rearrangement
 Aromatization of Benzo[c]oxepine.
;
_journal_issue                   23
_journal_name_full               'Organic letters'
_journal_page_first              6060
_journal_page_last               6063
_journal_paper_doi               10.1021/ol302950w
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C19 H15 N O4'
_chemical_formula_weight         321.32
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6981(10)
_cell_length_b                   10.9144(14)
_cell_length_c                   19.206(2)
_cell_measurement_reflns_used    3189
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.37
_cell_measurement_theta_min      2.83
_cell_volume                     1613.7(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0230
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8405
_diffrn_reflns_theta_full        23.12
_diffrn_reflns_theta_max         23.12
_diffrn_reflns_theta_min         2.12
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9907
_exptl_absorpt_correction_T_min  0.9852
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.114
_refine_diff_density_min         -0.121
_refine_diff_density_rms         0.028
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(16)
_refine_ls_extinction_coef       0.0116(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         2237
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0328
_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^)+(0.0452P)^2^+0.3435P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0884
_refine_ls_wR_factor_ref         0.0932
_reflns_number_gt                2012
_reflns_number_total             2237
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol302950w_si_005.cif
_cod_data_source_block           e:\120625e\work\mo_120625e_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        1613.7(4)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1508786