Conversion of lapachol to lomatiol: synthesis of novel naphthoquinone derivatives
Eyong, Kenneth O.; Chinthapally, Kiran; Senthilkumar, Soundararasu; Lamshöft, Marc; Folefoc, Gabriel N.; Baskaran, Sundarababu; New J. Chem. 39 (2015) 9611–; doi:10.1039/C5NJ01484K

data_7055120
_publ_section_title
;
 Conversion of lapachol to lomatiol: synthesis of novel naphthoquinone
 derivatives
;
_journal_issue                   12
_journal_name_full               'New J. Chem.'
_journal_page_first              9611
_journal_paper_doi               10.1039/C5NJ01484K
_journal_volume                  39
_journal_year                    2015
_chemical_formula_sum            'C16 H15 Br O3'
_chemical_formula_weight         335.19
_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
_audit_update_record
;
2013-11-09 deposited with the CCDC.
2015-09-23 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 103.25(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.998(2)
_cell_length_b                   6.1970(12)
_cell_length_c                   21.583(4)
_cell_measurement_temperature    298(2)
_cell_volume                     1431.8(5)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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 1.000
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0239
_diffrn_reflns_av_sigmaI/netI    0.0330
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            10343
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.21
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    2.875
_exptl_absorpt_correction_T_max  0.7620
_exptl_absorpt_correction_T_min  0.5334
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'clear light colour'
_exptl_crystal_density_diffrn    1.555
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rectangular
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.383
_refine_diff_density_min         -0.404
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         3478
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0610
_refine_ls_R_factor_gt           0.0323
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0306P)^2^+0.6267P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0686
_refine_ls_wR_factor_ref         0.0771
_reflns_number_gt                2363
_reflns_number_total             3478
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5nj01484k2.cif
_cod_data_source_block           new
_cod_depositor_comments
;
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/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7055120--7055123.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7055120