β-Lactams or γ-lactams by 4-exo-trig or 5-endo-trig anionic cyclisation of lithiated acrylamide derivatives
Clayden, Jonathan; Watson, David W.; Helliwell, Madeleine; Chambers, Mark; Chemical Communications (Cambridge, United Kingdom)  (2003) 2582–2583; doi:10.1039/b308029c

data_7113639
_publ_section_title
;
 \b-Lactams or \g-lactams by 4-exo-trig or 5-endo-trig anionic
 cyclisation of lithiated acrylamide derivatives
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   20
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              2582
_journal_page_last               2583
_journal_paper_doi               10.1039/b308029c
_journal_year                    2003
_chemical_formula_sum            'C26 H34 N2 O2'
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_cell_length_b                   10.0905(9)
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_computing_cell_refinement       'Bruker SMART'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
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_diffrn_measured_fraction_theta_max 0.970
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_exptl_absorpt_coefficient_mu    0.073
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_exptl_absorpt_correction_T_min  0.9715
_exptl_absorpt_correction_type   multi-scan
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_exptl_crystal_density_diffrn    1.155
_exptl_crystal_density_meas      0
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0829P)^2^+0.0200P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1290
_refine_ls_wR_factor_ref         0.1351
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_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7104850
_cod_data_source_file            b308029c.txt
_cod_data_source_block           s1173ma
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7113639