Efficient synthesis of novel cyclic fused-phenothiazines via domino cyclization of 2-(benzo[b][1,4]thiazin-3-ylidene)acetate, aromatic aldehydes and cyclic 1,3-diketones
Sun, Jing; Sun, Quan-Shun; Yan, Chao-Guo; Organic Chemistry Frontiers 6 (2019) 3555–; doi:10.1039/C9QO00951E

data_1555146
_publ_section_title
;
 Efficient synthesis of novel cyclic fused-phenothiazines via domino
 cyclization of 2-(benzo[b][1,4]thiazin-3-ylidene)acetate, aromatic
 aldehydes and cyclic 1,3-diketones
;
_journal_issue                   20
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              3555
_journal_paper_doi               10.1039/C9QO00951E
_journal_volume                  6
_journal_year                    2019
_chemical_formula_moiety         'C35 H22 Cl2 N2 O3 S2'
_chemical_formula_sum            'C35 H22 Cl2 N2 O3 S2'
_chemical_formula_weight         653.56
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-12-07 deposited with the CCDC.	2019-08-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.1650(19)
_cell_angle_gamma                90
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.59
_cell_measurement_theta_min      2.52
_cell_volume                     5848.5(6)
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_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
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_diffrn_reflns_Laue_measured_fraction_full 0.998
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_diffrn_reflns_theta_max         27.559
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_exptl_absorpt_coefficient_mu    0.407
_exptl_absorpt_correction_T_max  0.922
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1565
_refine_ls_R_factor_gt           0.0735
_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^)+(0.0772P)^2^+8.1200P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                3668
_reflns_number_total             6729
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9qo00951e2.cif
_cod_data_source_block           6c
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1555146
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.902
_shelx_estimated_absorpt_t_max   0.923
_shelx_res_checksum              13882
_shelx_hkl_checksum              18137