Synthesis of an isomer of lycoplanine A <i>via</i> cascade cyclization to construct the spiro-N,O-acetal moiety.
Gao, Weiwei; Wang, Xiaodong; Yao, Linbin; Tang, Bencan; Mu, Guohao; Shi, Tao; Wang, Zhen; Organic & biomolecular chemistry 19 (2021) 1748–1751; doi:10.1039/d0ob02399j

data_7157864
_publ_section_title
;
 Synthesis of an isomer of lycoplanine A <i>via</i> cascade cyclization to
 construct the spiro-N,O-acetal moiety.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1748
_journal_page_last               1751
_journal_paper_doi               10.1039/d0ob02399j
_journal_volume                  19
_journal_year                    2021
_chemical_formula_sum            'C16 H21 N O3'
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_space_group_name_Hall           '-P 2ybc'
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_audit_update_record
;
2019-08-16 deposited with the CCDC.	2021-02-02 downloaded from the CCDC.
;
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_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 'fine-focus sealed tube'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX II area detector'
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_exptl_crystal_colour            colorless
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_exptl_crystal_description       block
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_refine_ls_number_reflns         5025
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0950P)^2^+0.0400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1308
_refine_ls_wR_factor_ref         0.1553
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3391
_reflns_number_total             5025
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ob02399j4.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7157864.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7157864
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.974
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_shelx_res_checksum              27317