Tandem Michael Addition/Amino-Nitrile Cyclization from 2-Formyl-1,4-DHP in the Synthesis of Novel Dihydroindolizine-Based Compounds
Štefan Marchalín; Barbora Baumlová; Peter Baran; Hassan Oulyadi; Adam Daïch; Journal of Organic Chemistry 71 (2006) 9114–9127; doi:10.1021/jo0615044

data_4022098
_publ_section_title
;
 Tandem Michael Addition/Amino-Nitrile Cyclization from 2-Formyl-1,4-DHP
 in the Synthesis of Novel Dihydroindolizine-Based Compounds
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9114
_journal_page_last               9127
_journal_paper_doi               10.1021/jo0615044
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C26 H30 N3 O7.5 S'
_chemical_formula_weight         536.59
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_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                79.277(3)
_cell_angle_beta                 73.795(3)
_cell_angle_gamma                75.746(3)
_cell_formula_units_Z            4
_cell_length_a                   10.6692(17)
_cell_length_b                   16.623(3)
_cell_length_c                   17.567(3)
_cell_measurement_temperature    298(2)
_cell_volume                     2876.6(8)
_computing_cell_refinement       'BRUKER SMART-NT V5.0'
_computing_data_collection       'BRUKER SMART-NT V5.0'
_computing_data_reduction        'BRUKER SAINT-NT V5/6.0'
_computing_molecular_graphics    'BRUKER SHELXTL-NT V5.1'
_computing_publication_material  'BRUKER SHELXTL-NT V5.1'
_computing_structure_refinement  'BRUKER SHELXTL-NT V5.1'
_computing_structure_solution    'BRUKER SHELXTL-NT V5.1'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker AXS SMART 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  0.0466
_diffrn_reflns_av_sigmaI/netI    0.0969
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12722
_diffrn_reflns_theta_full        23.28
_diffrn_reflns_theta_max         23.28
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.160
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1132
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.745
_refine_diff_density_min         -0.581
_refine_diff_density_rms         0.072
_refine_ls_extinction_coef       0.0049(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     698
_refine_ls_number_reflns         8202
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.1754
_refine_ls_R_factor_gt           0.0928
_refine_ls_shift/su_max          3.296
_refine_ls_shift/su_mean         0.024
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1845P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2611
_refine_ls_wR_factor_ref         0.3113
_reflns_number_gt                3943
_reflns_number_total             8202
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0615044si20060719_124114.cif
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

2025-10-08
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C52 H60 N6 O15 S2'
_cod_original_formula_weight         1073.18
_cod_original_formula_units_Z            2
_cod_database_code               4022098