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_7055109
_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_formula_moiety         'C15 H16 N2 O2'
_chemical_formula_sum            'C15 H16 N2 O2'
_chemical_formula_weight         256.30
_chemical_name_common            spiroindolopyrrolizinones
_chemical_name_systematic
(1'R,7a'S)-7a'-methyl-2',3',7',7a'-tetrahydrospiro[indoline-3,1'-pyrrolizine]-2,5'(6'H)-dione
_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   geom
_audit_block_doi                 10.5517/cc14g2sg
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-08-27 deposited with the CCDC.
2015-09-16 downloaded from the CCDC.
;
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_computing_structure_solution    'SHELXS-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'XtaLABmini: Fixed Chi 2 circle'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1389
_diffrn_reflns_av_unetI/netI     0.1312
_diffrn_reflns_Laue_measured_fraction_full 0.998
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_diffrn_reflns_limit_k_min       -13
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_diffrn_reflns_number            8401
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_diffrn_source                   'sealed tube'
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_exptl_crystal_colour            colorless
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_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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_refine_ls_wR_factor_gt          0.3225
_refine_ls_wR_factor_ref         0.4145
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1189
_reflns_number_total             2811
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5nj01858g3.cif
_cod_data_source_block           spiro_150K
_cod_depositor_comments
'Adding full bibliography for 7055107--7055109.cif.'
_cod_original_cell_volume        1227.3(8)
_cod_database_code               7055109
_shelx_shelxl_version_number     2014/7
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_shelx_res_checksum              59338