Stereospecific Syntheses of Enaminonitriles and β-Enaminoesters via Domino Ring-Opening Cyclization (DROC) of Activated Cyclopropanes with Pronucleophilic Malononitriles.
Saha, Amrita; Bhattacharyya, Aditya; Talukdar, Ranadeep; Ghorai, Manas K.; The Journal of organic chemistry 83 (2018) 2131–2144; doi:10.1021/acs.joc.7b03033

data_4034996
_publ_section_title
;
 Stereospecific Syntheses of Enaminonitriles and \b-Enaminoesters via
 Domino Ring-Opening Cyclization (DROC) of Activated Cyclopropanes with
 Pronucleophilic Malononitriles.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2131
_journal_page_last               2144
_journal_paper_doi               10.1021/acs.joc.7b03033
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C11 H14 N2 O2'
_chemical_formula_sum            'C11 H14 N2 O2'
_chemical_formula_weight         206.24
_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                104.851(5)
_cell_angle_beta                 96.825(5)
_cell_angle_gamma                94.814(5)
_cell_formula_units_Z            2
_cell_length_a                   7.676(5)
_cell_length_b                   7.865(5)
_cell_length_c                   9.394(5)
_cell_measurement_reflns_used    1862
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.7
_cell_volume                     540.4(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART APEX'
_computing_data_reduction        'Bruker SAINT PLUS'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97(Altomare, et. al. 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  '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  0.0425
_diffrn_reflns_av_sigmaI/netI    0.0604
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8066
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.69
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             220
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.285
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         2672
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0890
_refine_ls_R_factor_gt           0.0512
_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^)+(0.0618P)^2^+0.1039P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1284
_reflns_number_gt                1862
_reflns_number_total             2672
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo7b03033_si_005.cif
_cod_data_source_block           25sepc_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/data/users/saulius/crontab/automatic-downloads/current/ACS/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_sg_symbol_H-M      p-1
_cod_database_code               4034996