Experimental and Computational Study of the 1,5-O → N Carbamoyl Snieckus-Fries-Type Rearrangement.
Feberero, Claudia; Sedano, Carlos; Suárez-Pantiga, Samuel; López, Carlos Silva; Sanz, Roberto; The Journal of organic chemistry 85 (2020) 12561–12578; doi:10.1021/acs.joc.0c01732

data_4038770
_publ_section_title
;
 Experimental and Computational Study of the 1,5-O \\rightarrow N
 Carbamoyl Snieckus-Fries-Type Rearrangement.
;
_journal_issue                   19
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              12561
_journal_page_last               12578
_journal_paper_doi               10.1021/acs.joc.0c01732
_journal_volume                  85
_journal_year                    2020
_chemical_formula_moiety         'C15 H22 N2 O2'
_chemical_formula_sum            'C15 H22 N2 O2'
_chemical_formula_weight         262.34
_chemical_name_systematic
1,1-diethyl-3-(1-(2-hydroxyphenyl)-2-methylprop-1-en-1-yl)urea
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2020-04-30
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-04-30 deposited with the CCDC.	2020-06-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.511(9)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.4657(18)
_cell_length_b                   15.208(3)
_cell_length_c                   19.367(4)
_cell_measurement_reflns_used    9928
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.132
_cell_measurement_theta_min      2.416
_cell_volume                     3030.8(10)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0709
_diffrn_reflns_av_unetI/netI     0.0332
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            51667
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.205
_diffrn_reflns_theta_max         25.205
_diffrn_reflns_theta_min         2.390
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6703
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1682 before and 0.0896 after correction.
The Ratio of minimum to maximum transmission is 0.6703.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.150
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.8
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.242
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         5417
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0435
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0361P)^2^+1.3754P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0995
_refine_ls_wR_factor_ref         0.1044
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4765
_reflns_number_total             5417
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            2000234.cif
_cod_data_source_block           mo_scan_0m
_cod_depositor_comments
'Adding full bibliography for 4038765--4038772.cif.'
_cod_original_cell_volume        3030.7(9)
_cod_database_code               4038770
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.977
_shelx_estimated_absorpt_t_min   0.941
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C10(H10A,H10B), C17(H17A,H17B), C25(H25A,H25B)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1A), C2(H2A), C11(H11), C12(H12), C22(H22), C23(H23), C26(H26), C27(H27)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C),
 C24(H24A,H24B,H24C), C29(H29A,H29B,H29C), C30(H30A,H30B,H30C)
;
_shelx_res_checksum              88990
_shelx_hkl_checksum              38048
_olex2_date_sample_data_collection 2019-10-07
_olex2_date_sample_submission    2019-10-01
_olex2_submission_special_instructions 'No special instructions were received'