Domino construction of a bullataketal core via double bond cleavage in activated dihydrofurans
Ivanov, Konstantin L.; Vatsouro, Ivan M.; Bezzubov, Stanislav I.; Melnikov, Mikhail Ya.; Budynina, Ekaterina M.; Organic Chemistry Frontiers 5 (2018) 1655–; doi:10.1039/C8QO00132D

data_1554265
_publ_section_title
;
 Domino construction of a bullataketal core via double bond cleavage in
 activated dihydrofurans
;
_journal_issue                   10
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              1655
_journal_paper_doi               10.1039/C8QO00132D
_journal_volume                  5
_journal_year                    2018
_chemical_formula_moiety         'C27 H26 O5'
_chemical_formula_sum            'C27 H26 O5'
_chemical_formula_weight         430.48
_chemical_melting_point_gt       363
_chemical_melting_point_lt       364
_chemical_name_systematic
;
{4-[3-Ethoxy-2-(methoxymethoxy)phenyl]-2-phenyl-4,5-dihydrofuran-3-yl}(phenyl)methanone
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-10-16 deposited with the CCDC.
2018-03-14 downloaded from the CCDC.
;
_cell_angle_alpha                78.0660(10)
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_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.429
_cell_measurement_theta_min      2.604
_cell_volume                     1115.04(16)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART APEX II'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.0234
_diffrn_reflns_av_unetI/netI     0.0345
_diffrn_reflns_Laue_measured_fraction_full 1.000
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_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12457
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.999
_diffrn_reflns_theta_min         2.098
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             456
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: petroleum ether : ethyl acetate, 2:1'
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_exptl_crystal_size_mid          0.250
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_refine_diff_density_max         0.390
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_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^)+(0.0496P)^2^+0.2754P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1006
_refine_ls_wR_factor_ref         0.1090
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4692
_reflns_number_total             5901
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qo00132d2.cif
_cod_data_source_block           1p
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' 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_database_code               1554265
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.962
_shelx_estimated_absorpt_t_max   0.978
_shelx_res_checksum              73305
_shelx_hkl_checksum              8931