The Baylis–Hillman acetates in organic synthesis: development of a facile strategy for synthesis of functionalized unsaturated benzo-fused macrocyclic ethers and [n] metacyclophanes
Basavaiah, Deevi; Kumar, Katta Santosh; Aravindu, Kunche; Lingaiah, Balthu; RSC Advances 3 (2013) 9629–; doi:10.1039/c3ra40926k

data_7238998
_publ_section_title
;
 The Baylis--Hillman acetates in organic synthesis: development of a
 facile strategy for synthesis of functionalized unsaturated benzo-fused
 macrocyclic ethers and [n] metacyclophanes
;
_journal_issue                   25
_journal_name_full               'RSC Advances'
_journal_page_first              9629
_journal_paper_doi               10.1039/c3ra40926k
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C20 H20 O5'
_chemical_formula_sum            'C20 H20 O5'
_chemical_formula_weight         340.36
_chemical_melting_point          417(2)
_chemical_name_common            macrocycle
_chemical_name_systematic
;
(4Z,14E)-2,7-Dioxa-15-methoxycarbonyltricyclo[15.3.0.08,13]
icosane-1(17),4,8(13),9,11,14-hexaen-18-one
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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                 92.119(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.440(6)
_cell_length_b                   10.579(3)
_cell_length_c                   7.873(2)
_cell_measurement_reflns_used    3251
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.06
_cell_measurement_theta_min      2.17
_cell_volume                     1701.3(8)
_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      298(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            16023
_diffrn_reflns_theta_full        25.17
_diffrn_reflns_theta_max         25.17
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9905
_exptl_absorpt_correction_T_min  0.9812
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'bruker sadabs'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.150
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3026
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0484P)^2^+0.4484P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1106
_refine_ls_wR_factor_ref         0.1175
_reflns_number_gt                2517
_reflns_number_total             3026
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra40926k.txt
_cod_data_source_block           6c-Z
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1701.1(8)
_cod_original_sg_symbol_H-M      'P2(1)/c '
_cod_database_code               7238998