Synthesis of Endoperoxides by Domino Reactions of Ketones and Molecular Oxygen
Novkovic, Luka; Trmcic, Milena; Rodić, Marko V; Bihelovic, Filip; Zlatar, Matija; Matovic, Radomir; Saicic, Radomir Nikola; RSC Adv.  (2015) –; doi:10.1039/C5RA13476E

data_7223254
_publ_section_title
;
 Synthesis of Endoperoxides by Domino Reactions of Ketones and Molecular
 Oxygen
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA13476E
_journal_year                    2015
_chemical_absolute_configuration unk
_chemical_compound_source        synthetic
_chemical_formula_moiety         'C12 H20 O4'
_chemical_formula_sum            'C12 H20 O4'
_chemical_formula_weight         228.28
_chemical_melting_point          379.0(10)
_chemical_name_systematic
;
8-cyclopropyl-10-methyl-6,7-dioxaspiro[4.5]decane-8,10-diol
;
_chemical_properties_physical    Heat-sensitive
_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'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   iterative
_audit_creation_date             2013-10-30T13:21:01-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2015-07-07 deposited with the CCDC.
2015-11-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.8134(4)
_cell_length_b                   10.7208(7)
_cell_length_c                   19.8086(17)
_cell_measurement_reflns_used    1348
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      26.484
_cell_measurement_theta_min      3.614
_cell_volume                     1234.56(16)
_computing_cell_refinement       'CrysAlisPro (Agilent Technologies, 2013)'
_computing_data_collection       'CrysAlisPro (Agilent Technologies, 2013)'
_computing_data_reduction        'CrysAlisPro (Agilent Technologies, 2013)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXLE (H\"ubschle et al., 2011)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2008)'
_computing_structure_solution
; SUPERFLIP (Palatinus L. and Chapuis G., 2007) and 
  EDMA (Van Smaalen et al, 2003)
;
_diffrn_ambient_temperature      294(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 16.328
_diffrn_detector_type            'Sapphire3 (Agilent Technologies)'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.923
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Gemini S (Agilent Technologies)'
_diffrn_measurement_method       '\w scans'
_diffrn_measurement_specimen_support 'glass fiber'
_diffrn_orient_matrix_UB_11      0.0957969
_diffrn_orient_matrix_UB_12      -0.0330383
_diffrn_orient_matrix_UB_13      0.013108
_diffrn_orient_matrix_UB_21      -0.0351241
_diffrn_orient_matrix_UB_22      0.015087
_diffrn_orient_matrix_UB_23      0.0333079
_diffrn_orient_matrix_UB_31      -0.0669055
_diffrn_orient_matrix_UB_32      -0.0552568
_diffrn_orient_matrix_UB_33      0.0012801
_diffrn_radiation_collimation    '0.8 mm'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0314
_diffrn_reflns_av_unetI/netI     0.0395
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.923
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            5900
_diffrn_reflns_point_group_measured_fraction_full 0.969
_diffrn_reflns_point_group_measured_fraction_max 0.857
_diffrn_reflns_theta_full        26.32
_diffrn_reflns_theta_max         28.818
_diffrn_reflns_theta_min         3.624
_diffrn_source                   'fine focus sealed X-ray tube'
_diffrn_source_current           50
_diffrn_source_power             1.6
_diffrn_source_type              'Enhance (Mo) (Agilent Technologies)'
_diffrn_source_voltage           40
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.55655
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm using CrysAlisPro 
 (Agilent Technologies,2013).
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_description       plate
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.015
_refine_diff_density_max         0.111
_refine_diff_density_min         -0.15
_refine_diff_density_rms         0.029
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2770
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0688
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0471P)^2^+0.0841P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1115
_reflns_number_gt                2017
_reflns_number_total             2770
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ra13476e2.cif
_cod_data_source_block           mvt_434-3_2_1568
_cod_database_code               7223254
_shelx_estimated_absorpt_t_min   0.956
_shelx_estimated_absorpt_t_max   0.999
_shelx_res_checksum              17550