Synthesis of a Highly Functionalized Core of Verrillin
Saitman, Alec; Theodorakis, Emmanuel A.; Organic Letters 15 (2013) 2410–; doi:10.1021/ol400872h

data_1512051
_publ_section_title
;
 Synthesis of a Highly Functionalized Core of Verrillin
;
_journal_issue                   10
_journal_name_full               'Organic Letters'
_journal_page_first              2410
_journal_paper_doi               10.1021/ol400872h
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C19 H22 O4'
_chemical_formula_sum            'C19 H22 O4'
_chemical_formula_weight         314.37
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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_date             2013-01-09
_audit_creation_method
;
  Olex2 1.1
  (compiled 2011.11.01 svn.r2039, GUI svn.r3906)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.429(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.9278(4)
_cell_length_b                   7.8689(3)
_cell_length_c                   17.8522(8)
_cell_measurement_temperature    296(2)
_cell_volume                     1522.22(11)
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
XS, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'MO K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0756
_diffrn_reflns_av_unetI/netI     0.1191
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            21380
_diffrn_reflns_theta_full        33.73
_diffrn_reflns_theta_max         33.73
_diffrn_reflns_theta_min         2.30
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9953
_exptl_absorpt_correction_T_min  0.9812
_exptl_crystal_density_diffrn    1.372
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.644
_refine_diff_density_min         -0.389
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.985
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         6049
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.1480
_refine_ls_R_factor_gt           0.0674
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1433
_refine_ls_wR_factor_ref         0.1847
_reflns_number_gt                3421
_reflns_number_total             6049
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol400872h_si_003.cif
_cod_data_source_block           as2238_0m
_cod_database_code               1512051