Synthesis of Highly Stereodefined Tetrasubstituted Acyclic All-Carbon Olefins via a Syn-Elimination Approach.
Lim, Ngiap-Kie; Weiss, Patrick; Li, Beryl X.; McCulley, Christina H.; Hare, Stephanie R.; Bensema, Bronwyn L.; Palazzo, Teresa A.; Tantillo, Dean J.; Zhang, Haiming; Gosselin, Francis; Organic letters 19 (2017) 6212–6215; doi:10.1021/acs.orglett.7b03141

data_1547931
_publ_section_title
;
 Synthesis of Highly Stereodefined Tetrasubstituted Acyclic All-Carbon
 Olefins via a Syn-Elimination Approach.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              6212
_journal_page_last               6215
_journal_paper_doi               10.1021/acs.orglett.7b03141
_journal_volume                  19
_journal_year                    2017
_chemical_formula_sum            'C27 H28 O2'
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_chemical_name_common            68869-155
_chemical_name_systematic        gene835
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_space_group_crystal_system      monoclinic
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_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
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_atom_sites_solution_hydrogens   geom
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_cell_angle_gamma                90
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_cell_length_a                   14.358(3)
_cell_length_b                   9.3991(17)
_cell_length_c                   16.714(3)
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_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.51
_cell_volume                     2188.3(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
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_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
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_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0612
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_diffrn_refln_scan_rate          5
_diffrn_refln_scan_width         2.0
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_diffrn_reflns_limit_l_min       -19
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_diffrn_reflns_theta_min         1.681
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.928
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
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_exptl_crystal_description       plate
_exptl_crystal_F_000             824
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_refine_diff_density_min         -0.281
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3975
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.1023
_refine_ls_R_factor_gt           0.0568
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0813P)^2^+0.4123P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1388
_refine_ls_wR_factor_ref         0.1626
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2482
_reflns_number_total             3975
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b03141_si_035.cif
_cod_data_source_block           68869-155
_cod_depositor_comments
;
The following automatic conversions were performed:

'_space_group.centring_type' value 'primitive' was replaced with the
value 'P' as specified in the replacement file
'/home/antanas/src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5642 2017-10-24 12:04:52Z antanas 

 Adding full bibliography for 1547906--1547941.cif.
;
_cod_database_code               1547931
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.994
_shelx_estimated_absorpt_t_max   0.998
_shelx_res_checksum              14583
_shelx_hkl_checksum              82024