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_7219554
_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         'C24 H24 N2 O2'
_chemical_formula_sum            'C24 H24 N2 O2'
_chemical_formula_weight         372.45
_chemical_name_systematic
;
1,12b-dimethyl-3-phenyl 3,4a,5,6,7,7a,7b,12b
octahydrochromeno[4',3',2':4,5]chromeno[2,3-c]pyrazole
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-09-22 deposited with the CCDC.
2015-02-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.896(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.0693(8)
_cell_length_b                   7.8825(5)
_cell_length_c                   16.1470(11)
_cell_measurement_reflns_used    2030
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.1210
_cell_measurement_theta_min      3.9790
_cell_volume                     1915.6(2)
_computing_cell_refinement       'CrysAlisPro (Oxford Diffraction,2010)'
_computing_data_collection       'CrysAlisPro (Oxford Diffraction,2010)'
_computing_data_reduction        'CrysAlisPro (Oxford Diffraction,2010)'
_computing_molecular_graphics    'ORTEP3 (Farrugia, 2012)'
_computing_publication_material  'PLATON (Spek,2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1049
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w 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  0.0261
_diffrn_reflns_av_sigmaI/netI    0.0563
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7489
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.84391
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Crys Alis RED'
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.291
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.153
_refine_diff_density_rms         0.034
_refine_ls_extinction_coef       0.0155(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         3744
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0905
_refine_ls_R_factor_gt           0.0524
_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^)+(0.0391P)^2^+0.1463P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0971
_refine_ls_wR_factor_ref         0.1141
_reflns_number_gt                2388
_reflns_number_total             3744
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra00493d2.cif
_cod_data_source_block           acyp1
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7219554