Novel Syntheses of Tetrahydrobenzodiazepines and Dihydropyrazines via Isocyanide-Based Multicomponent Reactions of Diamines
Shaabani, Ahmad; Maleki, Ali; Hajishaabanha, Fatemeh; Mofakham, Hamid; Seyyedhamzeh, Mozhdeh; Mahyari, Mojtaba; Ng, Seik Weng; Journal of Combinatorial Chemistry 12 (2010) 186–; doi:10.1021/cc900125a

data_1502635
_publ_section_title
;
 Novel Syntheses of Tetrahydrobenzodiazepines and Dihydropyrazines via
 Isocyanide-Based Multicomponent Reactions of Diamines
;
_journal_issue                   1
_journal_name_full               'Journal of Combinatorial Chemistry'
_journal_page_first              186
_journal_paper_doi               10.1021/cc900125a
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C18 H25 N3 O2'
_chemical_formula_sum            'C18 H25 N3 O2'
_chemical_formula_weight         315.41
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 94.801(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.7118(2)
_cell_length_b                   25.8049(10)
_cell_length_c                   11.8905(6)
_cell_measurement_reflns_used    1785
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      27.8
_cell_measurement_theta_min      2.3
_cell_volume                     1746.42(13)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'APEX2 software (Bruker, 2008)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'X-Seed (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker SMART APEX diffractometer'
_diffrn_measurement_method       '\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  0.0895
_diffrn_reflns_av_sigmaI/netI    0.1243
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9482
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.58
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.559
_refine_diff_density_min         -0.319
_refine_diff_density_rms         0.084
_refine_ls_extinction_coef       0.006(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3981
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.1449
_refine_ls_R_factor_gt           0.0806
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1145P)^2^+0.5103P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1985
_refine_ls_wR_factor_ref         0.2388
_reflns_number_gt                2189
_reflns_number_total             3981
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cc900125a_si_004.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'None' changed to
'none' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1746.4(1)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1502635