The first solvent-free synthesis of privileged gamma- and delta-lactams via the Castagnoli-Cushman reaction
Lepikhina, Anastasia; Bakulina, Olga; Dar'in, Dmitry; Krasavin, Mikhail; RSC Adv.  (2016) –; doi:10.1039/C6RA19196G

data_7226425
_publ_section_title
;
 The first solvent-free synthesis of privileged gamma- and delta-lactams
 via the Castagnoli-Cushman reaction
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA19196G
_journal_year                    2016
_chemical_formula_moiety         'C20 H21 N O3'
_chemical_formula_sum            'C20 H21 N O3'
_chemical_formula_weight         323.38
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-03-25
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2016-03-25 deposited with the CCDC.
2016-08-31 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.267(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.1741(3)
_cell_length_b                   22.3708(7)
_cell_length_c                   12.6253(4)
_cell_measurement_reflns_used    2416
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.0321
_cell_measurement_theta_min      2.7260
_cell_volume                     1697.26(12)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.2096
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details
;
  1 omega  -99.00  -74.00   1.0000  170.0000
omega____ theta____ kappa____ phi______ frames
    -      -22.4241  178.0000  120.0000 25

  2 omega  -79.00   22.00   1.0000  170.0000
omega____ theta____ kappa____ phi______ frames
    -      -22.4241  -19.0000  120.0000 101

  3 omega  -48.00   43.00   1.0000  170.0000
omega____ theta____ kappa____ phi______ frames
    -      -22.4241   38.0000  150.0000 91
;
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0716010000
_diffrn_orient_matrix_UB_12      0.0082269000
_diffrn_orient_matrix_UB_13      0.0342084000
_diffrn_orient_matrix_UB_21      -0.0861687000
_diffrn_orient_matrix_UB_22      0.0060156000
_diffrn_orient_matrix_UB_23      -0.0464800000
_diffrn_orient_matrix_UB_31      -0.0369584000
_diffrn_orient_matrix_UB_32      -0.0300343000
_diffrn_orient_matrix_UB_33      0.0000532000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_unetI/netI     0.0362
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -3
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            7371
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.499
_diffrn_reflns_theta_min         3.196
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.93749
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_description       needle
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.344
_refine_diff_density_min         -0.200
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3881
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0583
_refine_ls_R_factor_gt           0.0436
_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^)+(0.0385P)^2^+0.7152P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0942
_refine_ls_wR_factor_ref         0.1010
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3151
_reflns_number_total             3881
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ra19196g2.cif
_cod_data_source_block           uny120
_cod_original_cell_volume        1697.25(11)
_cod_database_code               7226425
_chemical_oxdiff_formula         'C20 H21 N O3'
_reflns_odcompleteness_completeness 99.53
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     28.51
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Riding coordinates:
 O3(H3)
2.b Ternary CH refined with riding coordinates:
 C1(H1), C2(H2)
2.c Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B)
2.d Aromatic/amide H refined with riding coordinates:
 C8(H8), C9(H9), C10(H10), C11(H11), C12(H12), C14(H14), C15(H15), C16(H16),
 C17(H17), C18(H18)
2.e Idealised Me refined as rotating group:
 C19(H19A,H19B,H19C), C20(H20A,H20B,H20C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'