Synthesis of 7-Aza-5-deazapurine Analogues via Copper(I)-Catalyzed Hydroamination of Alkynes and 1-Iodoalkynes
Larissa B. Krasnova; Jason E. Hein; Valery V. Fokin; Journal of Organic Chemistry 75 (2010) 8662–8665; doi:10.1021/jo1016376

data_4025863
_publ_section_title
;
 Synthesis of 7-Aza-5-deazapurine Analogues via Copper(I)-Catalyzed
 Hydroamination of Alkynes and 1-Iodoalkynes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8662
_journal_page_last               8665
_journal_paper_doi               10.1021/jo1016376
_journal_volume                  75
_journal_year                    2010
_chemical_formula_sum            'C15 H19 N5 O4 S'
_chemical_formula_weight         365.41
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.5439(17)
_cell_length_b                   8.3721(8)
_cell_length_c                   21.282(2)
_cell_measurement_reflns_used    9877
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.41
_cell_measurement_theta_min      2.21
_cell_volume                     3304.1(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0376
_diffrn_reflns_av_sigmaI/netI    0.0219
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            22999
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.41
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.229
_exptl_absorpt_correction_T_max  0.9387
_exptl_absorpt_correction_T_min  0.9263
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.469
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.646
_refine_diff_density_min         -0.558
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         3014
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0362
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0474P)^2^+3.7000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.0993
_reflns_number_gt                2797
_reflns_number_total             3014
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1016376_si_002.cif
_cod_data_source_block           sharp20
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        3304.0(5)
_cod_database_code               4025863