A domino synthetic approach for some new, angular pyrazol– and isoxazol–heterocycles using [DBU][Ac] as an effective reaction medium
Sutariya, Tushar R.; Labana, Balvantsingh M.; Parmar, Bhagyashri D.; PARMAR, NARSIDAS JERAMDAS; Kant, Rajani; Gupta, Vivek; RSC Adv.  (2015) –; doi:10.1039/C5RA00493D

data_7219551
_publ_section_title
;
 A domino synthetic approach for some new, angular pyrazol-- and
 isoxazol--heterocycles using [DBU][Ac] as an effective reaction medium
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA00493D
_journal_year                    2015
_chemical_formula_moiety         'C27 H21 Cl2 N3 O4'
_chemical_formula_sum            'C27 H21 Cl2 N3 O4'
_chemical_formula_weight         522.37
_chemical_name_systematic
;
 (5S,5aR,11bS)-3-(2,5-dichlorophenyl)-1,11b-dimethyl-10-nitro-
 5-phenyl-3,5a,6,11b-tetrahydro-5H-chromeno[4',3':4,5]pyrano
 [2,3-c]pyrazole
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc11vby5
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-12-24 deposited with the CCDC.
2015-02-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.734(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7530(5)
_cell_length_b                   17.2963(8)
_cell_length_c                   14.3658(6)
_cell_measurement_reflns_used    2801
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.9650
_cell_measurement_theta_min      3.7970
_cell_volume                     2422.3(2)
_computing_cell_refinement       'CrysAlisPro, Diff.Ltd,Ver 1.171.34.40'
_computing_data_collection       'CrysAlisPro,Diff.Ltd,Ver 1.171.34.40'
_computing_data_reduction        'CrysAlisPro, Diff.Ltd,Ver 1.171.34.40'
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  'PLATON(Spek,1999)& PARST(1995)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0520
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9854
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.48
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.309
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.70675
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.432
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.213
_refine_diff_density_min         -0.340
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         4740
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0808
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0435P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0927
_refine_ls_wR_factor_ref         0.1085
_reflns_number_gt                3104
_reflns_number_total             4740
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra00493d2.cif
_cod_data_source_block           blc80
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7219551