Synthesis of di/trifluoromethyl cyclopropane-dicarbonitriles via [2 + 1] annulation of fluoro-based diazoethanes with (alkylidene)malononitriles
Gao, Cheng-Feng; Chen, Yue-Ji; Nie, Jing; Zhang, Fa-Guang; Cheung, Chi Wai; Ma, Jun-An; Chemical Communications  (2023) –; doi:10.1039/D3CC03897A

data_7132078
_publ_section_title
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 Synthesis of di/trifluoromethyl cyclopropane-dicarbonitriles via [2 + 1]
 annulation of fluoro-based diazoethanes with (alkylidene)malononitriles
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_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D3CC03897A
_journal_year                    2023
_chemical_formula_moiety         'C18 H12 F2 N2 O2 S'
_chemical_formula_sum            'C18 H12 F2 N2 O2 S'
_chemical_formula_weight         358.36
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2021-10-10
_audit_creation_method
;
Olex2 1.5-beta
(compiled 2021.08.20 svn.r13c46975 for OlexSys, GUI svn.r6405)
;
_audit_update_record
;
2022-03-31 deposited with the CCDC.	2023-08-31 downloaded from the CCDC.
;
_cell_angle_alpha                94.158(2)
_cell_angle_beta                 102.480(2)
_cell_angle_gamma                96.271(2)
_cell_formula_units_Z            2
_cell_length_a                   6.3811(4)
_cell_length_b                   9.4160(6)
_cell_length_c                   14.1943(10)
_cell_measurement_reflns_used    9903
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      29.49
_cell_measurement_theta_min      2.51
_cell_volume                     823.65(9)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.5-beta (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-beta (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0873
_diffrn_reflns_av_unetI/netI     0.0604
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            34354
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.693
_diffrn_reflns_theta_min         2.187
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.232
_exptl_absorpt_correction_T_max  0.7459
_exptl_absorpt_correction_T_min  0.4686
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1629 before and 0.0985 after correction.
The Ratio of minimum to maximum transmission is 0.6282.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_description       block
_exptl_crystal_F_000             368
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.808
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         4636
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0722
_refine_ls_R_factor_gt           0.0540
_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^)+(0.0954P)^2^+0.0917P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1466
_refine_ls_wR_factor_ref         0.1578
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3615
_reflns_number_total             4636
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3cc03897a2.cif
_cod_data_source_block           cyj91231
_cod_database_code               7132078
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.953
_shelx_estimated_absorpt_t_min   0.921
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Ternary CH refined with riding coordinates:
 C00D(H00D), C00E(H00E)
2.b Aromatic/amide H refined with riding coordinates:
 C00F(H00F), C00G(H00G), C00I(H00I), C00J(H00J), C00K(H00K), C00L(H00L),
 C00M(H00M), C00N(H00N), C00O(H00O), C00P(H00P)
;
_shelx_res_checksum              54780
_shelx_hkl_checksum              36465
_olex2_submission_special_instructions 'No special instructions were received'