Diverse synthesis of natural product inspired fused and spiro-heterocyclic scaffolds via ring distortion and ring construction strategies
Bathula, Chandramohan; Dangi, Poonam; Hati, Santanu; Agarwal, Rahul; Munshi, Parthapratim; Singh, Ashutosh; Singh, Shailja; Sen, Subhabrata; New J. Chem. 39 (2015) 9281–; doi:10.1039/C5NJ01858G

data_7055108
_publ_section_title
;
 Diverse synthesis of natural product inspired fused and
 spiro-heterocyclic scaffolds via ring distortion and ring construction
 strategies
;
_journal_issue                   12
_journal_name_full               'New J. Chem.'
_journal_page_first              9281
_journal_paper_doi               10.1039/C5NJ01858G
_journal_volume                  39
_journal_year                    2015
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C16 H18 N2 O2'
_chemical_formula_sum            'C16 H18 N2 O2'
_chemical_formula_weight         270.32
_chemical_name_common            indozolidinoindolones
_chemical_name_systematic
(5R,11bS)-5-(hydroxymethyl)-11b-methyl-5,6,11,11b-tetrahydro-1H-indolizino[8,7-b]indol-3(2H)-one
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_block_doi                 10.5517/cc14g2pc
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2015-09-09 deposited with the CCDC.
2015-09-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.821(8)
_cell_length_b                   11.174(8)
_cell_length_c                   12.954(10)
_cell_measurement_reflns_used    12024
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.387
_cell_measurement_theta_min      2.407
_cell_volume                     1421.6(19)
_computing_data_collection       'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '/f and /w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0536
_diffrn_reflns_av_unetI/netI     0.0453
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12024
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.949
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.387
_diffrn_reflns_theta_min         2.407
_diffrn_source                   'fine focus sealed tube'
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.263
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.160
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details
;
 Flack x determined using 835 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   1.7(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         3079
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0484P)^2^+0.0216P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0925
_refine_ls_wR_factor_ref         0.1024
_reflns_Friedel_coverage         0.691
_reflns_Friedel_fraction_full    0.994
_reflns_Friedel_fraction_max     0.911
_reflns_number_gt                2375
_reflns_number_total             3079
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5nj01858g3.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_absolute_configuration' value 'Unk' changed to 'unk'
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.

'_exptl_absorpt_correction_type' value 'None' changed to 'none'
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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7055107--7055109.cif.
;
_cod_original_cell_volume        1421.5(19)
_cod_database_code               7055108
_shelxl_version_number           2013-4
_shelx_res_checksum              43830