Unprecedented formation of spiro[indoline-3,7'-pyrrolo[1,2-a]azepine] via multicomponent reaction of L-proline, isatin and But-2-ynedioate
Yang, Fan; Sun, Jing; Gao, Hong; Yan, Chao Guo; RSC Adv.  (2015) –; doi:10.1039/C5RA04102C

data_7220042
_publ_section_title
;
 Unprecedented formation of spiro[indoline-3,7'-pyrrolo[1,2-a]azepine] via
 multicomponent reaction of L-proline, isatin and But-2-ynedioate
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_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA04102C
_journal_year                    2015
_chemical_formula_moiety         'C25 H24 N2 O5 '
_chemical_formula_sum            'C25 H24 N2 O5'
_chemical_formula_weight         432.46
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-01-14 deposited with the CCDC.
2015-03-31 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 99.662(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.824(3)
_cell_length_b                   10.3816(12)
_cell_length_c                   17.6818(19)
_cell_measurement_reflns_used    9996
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.79
_cell_measurement_theta_min      2.34
_cell_volume                     4311.2(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(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  0.0576
_diffrn_reflns_av_sigmaI/netI    0.0381
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            32256
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.967
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.203
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4972
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0466
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0606P)^2^+1.8260P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1258
_reflns_number_gt                3624
_reflns_number_total             4987
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra04102c2.cif
_cod_data_source_block           1a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C25 H24 N2 O5 '
_cod_database_code               7220042