Solvent-Controlled, Site-Selective N-Alkylation Reactions of Azolo-Fused Ring Heterocycles at N1-, N2-, and N3-Positions, Including Pyrazolo[3,4- d]pyrimidines, Purines, [1,2,3]Triazolo[4,5]pyridines, and Related Deaza-Compounds.
Bookser, Brett C.; Weinhouse, Michael I.; Burns, Aaron C.; Valiere, Andrew N.; Valdez, Lino J.; Stanczak, Pawel; Na, Jim; Rheingold, Arnold L.; Moore, Curtis E.; Dyck, Brian; The Journal of organic chemistry 83 (2018) 6334–6353; doi:10.1021/acs.joc.8b00540

data_4035859
_publ_section_title
;
 Solvent-Controlled, Site-Selective N-Alkylation Reactions of Azolo-Fused
 Ring Heterocycles at N1-, N2-, and N3-Positions, Including Pyrazolo[3,4-
 d]pyrimidines, Purines, [1,2,3]Triazolo[4,5]pyridines, and Related
 Deaza-Compounds.
;
_journal_issue                   12
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              6334
_journal_page_last               6353
_journal_paper_doi               10.1021/acs.joc.8b00540
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C6 H5 Cl N4'
_chemical_formula_sum            'C6 H5 Cl N4'
_chemical_formula_weight         168.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2016-09-07
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2016.08.25 svn.r3337 for OlexSys, GUI svn.r5221)
;
_cell_angle_alpha                90
_cell_angle_beta                 93.35(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   3.858(11)
_cell_length_b                   6.027(13)
_cell_length_c                   29.82(7)
_cell_measurement_reflns_used    938
_cell_measurement_temperature    100
_cell_measurement_theta_max      24.727
_cell_measurement_theta_min      2.716
_cell_volume                     692(3)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v2013.6-2 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II Ultra'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0522
_diffrn_reflns_av_unetI/netI     0.0587
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            3918
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.423
_diffrn_reflns_theta_max         25.423
_diffrn_reflns_theta_min         1.368
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.479
_exptl_absorpt_correction_T_max  0.2590
_exptl_absorpt_correction_T_min  0.1830
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1128 before and 0.0455 after correction.
The Ratio of minimum to maximum transmission is 0.7066.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_description       plate
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.460
_refine_diff_density_min         -0.327
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     101
_refine_ls_number_reflns         1276
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0829
_refine_ls_R_factor_gt           0.0590
_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^)+(0.0387P)^2^+1.4248P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1136
_refine_ls_wR_factor_ref         0.1211
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1000
_reflns_number_total             1276
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b00540_si_008.cif
_cod_data_source_block           dart173
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4035859
_shelx_estimated_absorpt_t_max   0.986
_shelx_estimated_absorpt_t_min   0.870
_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:
 C5(H5), C6(H6)
2.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              98147
_shelx_hkl_checksum              73338
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'