A Self-Immolative Spacer That Enables Tunable Controlled Release of Phenols under Neutral Conditions
Kyle M. Schmid; Lasse Jensen; Scott T. Phillips; Journal of Organic Chemistry 77 (2012) 4363–4374; doi:10.1021/jo300400q

data_4027177
_publ_section_title
;
 A Self-Immolative Spacer That Enables Tunable Controlled Release of
 Phenols under Neutral Conditions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4363
_journal_page_last               4374
_journal_paper_doi               10.1021/jo300400q
_journal_volume                  77
_journal_year                    2012
_chemical_formula_moiety         'C17 H16 N O3'
_chemical_formula_sum            'C17 H16 N O3'
_chemical_formula_weight         282.31
_chemical_name_systematic
; 
 ? 
;
_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                   20.608(5)
_cell_length_b                   9.544(2)
_cell_length_c                   15.325(4)
_cell_measurement_reflns_used    2789
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.999
_cell_measurement_theta_min      2.351
_cell_volume                     3014.2(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0526
_diffrn_reflns_av_sigmaI/netI    0.0333
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            24238
_diffrn_reflns_theta_full        28.32
_diffrn_reflns_theta_max         28.32
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.986
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_description       flat-needle
_exptl_crystal_F_000             1192
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.248
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3753
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.1361
_refine_ls_R_factor_gt           0.0803
_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^)+(0.0994P)^2^+0.9408P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1989
_refine_ls_wR_factor_ref         0.2305
_reflns_number_gt                2212
_reflns_number_total             3753
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo300400q_si_002_1.cif
_cod_data_source_block           compound4
_cod_database_code               4027177