Styrylmalonates as an Alternative to Donor–Acceptor Cyclopropanes in the Reactions with Aldehydes: A Route to 5,6-Dihydropyran-2-ones
Borisov, Denis D.; Novikov, Roman A.; Eltysheva, Anna S.; Tkachev, Yaroslav V.; Tomilov, Yury V.; Organic Letters  (2017) –; doi:10.1021/acs.orglett.7b01556

data_1546433
_publ_section_title
;
 Styrylmalonates as an Alternative to Donor--Acceptor Cyclopropanes in the
 Reactions with Aldehydes: A Route to 5,6-Dihydropyran-2-ones
;
_journal_name_full               'Organic Letters'
_journal_paper_doi               10.1021/acs.orglett.7b01556
_journal_year                    2017
_chemical_formula_moiety         'C17 H13 N O7'
_chemical_formula_sum            'C17 H13 N O7'
_chemical_formula_weight         343.28
_space_group_IT_number           14
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_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                 100.195(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.018(3)
_cell_length_b                   8.6442(19)
_cell_length_c                   16.608(4)
_cell_measurement_reflns_used    1095
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      3.01
_cell_volume                     1556.8(7)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.1623
_diffrn_reflns_av_sigmaI/netI    0.1331
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14478
_diffrn_reflns_theta_full        26.15
_diffrn_reflns_theta_max         26.15
_diffrn_reflns_theta_min         1.88
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.263
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         3101
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.933
_refine_ls_R_factor_all          0.1419
_refine_ls_R_factor_gt           0.0570
_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^)+(0.0346P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0862
_refine_ls_wR_factor_ref         0.1057
_reflns_number_gt                1600
_reflns_number_total             3101
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol7b01556_si_002.cif
_cod_data_source_block           t122
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        1556.8(6)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1546433