Indoleninyl-substituted pyrimido[1,2-b]indazoles via a facile condensation reaction
Ramle, Abdul Qaiyum; Fei, Chee Chin; Tiekink, Edward R. T.; Basirun, Wan Jefrey; RSC Advances 11 (2021) 24647–24651; doi:10.1039/D1RA04372B

data_7243240
_publ_section_title
;
 Indoleninyl-substituted pyrimido[1,2-b]indazoles via a facile
 condensation reaction
;
_journal_issue                   40
_journal_name_full               'RSC Advances'
_journal_page_first              24647
_journal_page_last               24651
_journal_paper_doi               10.1039/D1RA04372B
_journal_volume                  11
_journal_year                    2021
_chemical_formula_moiety         'C20 H16 N4'
_chemical_formula_sum            'C20 H16 N4'
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_audit_update_record
;
2021-05-10 deposited with the CCDC.	2021-07-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.4780(10)
_cell_angle_gamma                90
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_cell_length_c                   16.2164(3)
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_computing_cell_refinement
;
CrysAlisPro 1.171.39.31a (Rigaku Oxford Diffraction, 2017)
;
_computing_data_collection
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CrysAlisPro 1.171.39.31a (Rigaku Oxford Diffraction, 2017)
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CrysAlisPro 1.171.39.31a (Rigaku Oxford Diffraction, 2017)
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_diffrn_ambient_environment      N~2~
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_diffrn_measurement_device       'four-circle diffractometer'
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_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
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_diffrn_reflns_av_unetI/netI     0.0217
_diffrn_reflns_Laue_measured_fraction_full 0.999
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_diffrn_reflns_limit_l_min       -20
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_diffrn_reflns_theta_min         5.568
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_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.31a (Rigaku Oxford Diffraction, 2017)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_description       prism
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.221
_exptl_crystal_size_min          0.089
_refine_diff_density_max         0.838
_refine_diff_density_min         -0.284
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
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_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^)+(0.1078P)^2^+0.4133P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1938
_refine_ls_wR_factor_ref         0.1978
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1622
_reflns_number_total             1774
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           shelx
_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               7243240
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.843
_shelx_estimated_absorpt_t_max   0.946
_shelx_res_checksum              29695