Domino aza/oxa-hetero-Diels–Alder reaction for construction of novel spiro[pyrido[3′,2′:5,6]pyrano[2,3-d]pyrimidine-7,5′-pyrimidine]
Yang, Wen-Juan; Sun, Qiu; Sun, Jing; Yan, Chao-Guo; Organic Chemistry Frontiers 5 (2018) 2754–; doi:10.1039/C8QO00784E

data_1554410
_publ_section_title
;
 Domino aza/oxa-hetero-Diels--Alder reaction for construction of novel
 spiro[pyrido[3&#x2032;,2&#x2032;:5,6]pyrano[2,3-d]pyrimidine-7,5&#x2032;-pyrimidine]
;
_journal_issue                   18
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              2754
_journal_paper_doi               10.1039/C8QO00784E
_journal_volume                  5
_journal_year                    2018
_chemical_formula_moiety         'C44 H42 Cl N5 O8'
_chemical_formula_sum            'C44 H42 Cl N5 O8'
_chemical_formula_weight         804.27
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-07-25 deposited with the CCDC.
2018-08-17 downloaded from the CCDC.
;
_cell_angle_alpha                106.696(4)
_cell_angle_beta                 98.131(4)
_cell_angle_gamma                118.106(3)
_cell_formula_units_Z            4
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_cell_measurement_theta_max      26.87
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_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0977
_diffrn_reflns_av_unetI/netI     0.1641
_diffrn_reflns_Laue_measured_fraction_full 0.981
_diffrn_reflns_Laue_measured_fraction_max 0.977
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_diffrn_reflns_limit_h_min       -22
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_diffrn_reflns_point_group_measured_fraction_full 0.981
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.598
_diffrn_reflns_theta_min         1.456
_exptl_absorpt_coefficient_mu    0.127
_exptl_absorpt_correction_T_max  0.975
_exptl_absorpt_correction_T_min  0.970
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.083
_exptl_crystal_description       block
_exptl_crystal_F_000             1688
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_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.952
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         22381
_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.1882
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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^)+(0.1300P)^2^+1.2355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2191
_refine_ls_wR_factor_ref         0.2653
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10788
_reflns_number_total             22381
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qo00784e2.cif
_cod_data_source_block           4f
_cod_original_cell_volume        4934.5(12)
_cod_database_code               1554410
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.970
_shelx_estimated_absorpt_t_max   0.975
_shelx_res_checksum              10213
_shelx_hkl_checksum              86722
_shelx_fab_checksum              73238