Unexpected Synthesis of 5,6-Dihydropyridin-2(1H)-ones by a Domino Ugi/Aldol/Hydrolysis Reaction Starting from Baylis-Hillman Phosphonium Salts.
Zeng, Xiao-Hua; Wang, Hong-Mei; Ding, Ming-Wu; Organic letters 17 (2015) 2234–2237; doi:10.1021/acs.orglett.5b00849

data_1554998
_publ_section_title
;
 Unexpected Synthesis of 5,6-Dihydropyridin-2(1H)-ones by a Domino
 Ugi/Aldol/Hydrolysis Reaction Starting from Baylis-Hillman Phosphonium
 Salts.
;
_journal_issue                   9
_journal_name_full               'Organic letters'
_journal_page_first              2234
_journal_page_last               2237
_journal_paper_doi               10.1021/acs.orglett.5b00849
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C26 H31 Br N2 O3'
_chemical_formula_sum            'C26 H31 Br N2 O3'
_chemical_formula_weight         499.44
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                98.331(3)
_cell_angle_beta                 109.571(3)
_cell_angle_gamma                113.637(3)
_cell_formula_units_Z            2
_cell_length_a                   9.6121(18)
_cell_length_b                   11.761(2)
_cell_length_c                   13.648(3)
_cell_measurement_reflns_used    3944
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.06
_cell_measurement_theta_min      2.37
_cell_volume                     1260.2(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9955
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    1.659
_exptl_absorpt_correction_T_max  0.8516
_exptl_absorpt_correction_T_min  0.8257
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick,1997'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         5150
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0635
_refine_ls_R_factor_gt           0.0431
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0937P)^2^+0.1534P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1350
_refine_ls_wR_factor_ref         0.1492
_reflns_number_gt                3789
_reflns_number_total             5150
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol5b00849_si_001.cif
_cod_data_source_block           mo_120531a_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/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        1260.1(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1554998