(±)-Camphor-10-sulfonic acid catalyzed direct one-pot three-component Mannich type reaction of alkyl (hetero)aryl ketones under solvent-free conditions: application to the synthesis of aminochromans
Kundu, Kshama; Nayak, Sandip K.; RSC Adv. 2 (2012) 480–; doi:10.1039/C1RA00652E

data_7238446
_publ_section_title
;
 (+-)-Camphor-10-sulfonic acid catalyzed direct one-pot three-component
 Mannich type reaction of alkyl (hetero)aryl ketones under solvent-free
 conditions: application to the synthesis of aminochromans
;
_journal_issue                   2
_journal_name_full               'RSC Adv.'
_journal_page_first              480
_journal_paper_doi               10.1039/C1RA00652E
_journal_volume                  2
_journal_year                    2012
_chemical_formula_sum            'C22 H21 N O2'
_chemical_formula_weight         331.40
_space_group_IT_number           61
_space_group_name_Hall           '-P 2bc 2ac'
_space_group_name_H-M_alt        'P c a b'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P c a b'
_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                   8.5808(7)
_cell_length_b                   46.211(4)
_cell_length_c                   8.7745(8)
_cell_measurement_reflns_used    3319
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      32.6032
_cell_measurement_theta_min      3.3432
_cell_volume                     3479.3(5)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.,'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_molecular_graphics    Ortep3
_computing_publication_material  Shelx97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 15.9948
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'OXFORD DIFFRACTION XCALIBUR-S'
_diffrn_measurement_method       \w/q-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0859
_diffrn_reflns_av_sigmaI/netI    0.0676
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       54
_diffrn_reflns_limit_k_min       -54
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            24296
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.35
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9817
_exptl_absorpt_correction_T_min  0.9747
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.028
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.862
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3063
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.862
_refine_ls_R_factor_all          0.1316
_refine_ls_R_factor_gt           0.0497
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0490P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0941
_refine_ls_wR_factor_ref         0.1117
_reflns_number_gt                1410
_reflns_number_total             3063
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ra00652e.txt
_cod_data_source_block           barc025
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/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 
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_cod_database_code               7238446