Synthesis of Isocoumarins from Cyclic 2-Diazo-1,3-diketones and Benzoic Acids via Rh(III)-Catalyzed C-H Activation and Esterification.
Yang, Cheng; He, Xinwei; Zhang, Lanlan; Han, Guang; Zuo, Youpeng; Shang, Yongjia; The Journal of organic chemistry 82 (2017) 2081–2088; doi:10.1021/acs.joc.6b02906

data_4032161
_publ_section_title
;
 Synthesis of Isocoumarins from Cyclic 2-Diazo-1,3-diketones and Benzoic
 Acids via Rh(III)-Catalyzed C-H Activation and Esterification.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2081
_journal_page_last               2088
_journal_paper_doi               10.1021/acs.joc.6b02906
_journal_volume                  82
_journal_year                    2017
_chemical_formula_sum            'C15 H13 Br O3'
_chemical_formula_weight         321.16
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 91.0940(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4930(7)
_cell_length_b                   23.948(2)
_cell_length_c                   7.4662(7)
_cell_measurement_reflns_used    5983
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.49
_cell_measurement_theta_min      2.72
_cell_volume                     1339.5(2)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0323
_diffrn_reflns_av_sigmaI/netI    0.0259
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            15205
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    3.069
_exptl_absorpt_correction_T_max  0.5650
_exptl_absorpt_correction_T_min  0.5262
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.593
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.21
_refine_diff_density_max         1.226
_refine_diff_density_min         -0.980
_refine_diff_density_rms         0.067
_refine_ls_extinction_coef       0.0100(10)
_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   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         3058
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0651
_refine_ls_R_factor_gt           0.0462
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0364P)^2^+1.8216P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1050
_refine_ls_wR_factor_ref         0.1147
_reflns_number_gt                2272
_reflns_number_total             3058
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo6b02906_si_002.cif
_cod_data_source_block           test
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 4032159--4032161.cif.
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4032161