Controlled Dimroth Rearrangement in the Suzuki-Miyaura Cross Coupling of Triazolopyridopyrimidines.
Champiré, Anthony; Vala, Christine; Laabid, Achraf; Benharref, Ahmed; Marchivie, Mathieu; Plé, Karen; Routier, Sylvain; The Journal of organic chemistry 81 (2016) 12506–12513; doi:10.1021/acs.joc.6b02357

data_4037447
_publ_section_title
;
 Controlled Dimroth Rearrangement in the Suzuki-Miyaura Cross Coupling of
 Triazolopyridopyrimidines.
;
_journal_issue                   24
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              12506
_journal_page_last               12513
_journal_paper_doi               10.1021/acs.joc.6b02357
_journal_volume                  81
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C15 H11 N5'
_chemical_formula_sum            'C15 H11 N5'
_chemical_formula_weight         261.29
_chemical_name_systematic
5-(m-tolyl)pyrido[2,3-e][1,2,4]triazolo[4,3-c]pyrimidine
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-01-26
_audit_creation_method
;
Olex2 1.2
(compiled Sep 16 2015 11:44:03 for OlexSys, GUI svn.r5103)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.0355(18)
_cell_length_b                   7.546(3)
_cell_length_c                   22.720(11)
_cell_measurement_reflns_used    10172
_cell_measurement_temperature    150
_cell_measurement_theta_max      25.349
_cell_measurement_theta_min      3.587
_cell_volume                     1206.2(8)
_computing_cell_refinement       'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      150
_diffrn_detector                 'CCD area detector'
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Brucker Kappa CCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0456
_diffrn_reflns_av_unetI/netI     0.0301
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            18169
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.349
_diffrn_reflns_theta_min         3.587
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_target            Mo
_diffrn_source_type              'sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6711
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0676 before and 0.0633 after correction.
The Ratio of minimum to maximum transmission is 0.9002.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.439
_exptl_crystal_description       needle
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.202
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details
;
 Flack x determined using 711 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.3(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2202
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0490
_refine_ls_R_factor_gt           0.0380
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0498P)^2^+0.2238P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0899
_reflns_Friedel_coverage         0.686
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                1901
_reflns_number_total             2202
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b02357_si_002.cif
_cod_data_source_block           compound6
_cod_database_code               4037447
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2'(H2'), C3(H3), C4'(H4'), C5'(H5'), C6'(H6'), C7(H7), C8(H8), C9(H9)
2.b Idealised Me refined as rotating group:
 C7'(H7'A,H7'B,H7'C)
;
_olex2_submission_special_instructions 'No special instructions were received'