Synthesis of a Smoothened Cholesterol: 18,19-Di-nor-cholesterol.
Mydock-McGrane, Laurel; Rath, Nigam P.; Covey, Douglas F.; The Journal of organic chemistry 79 (2014) 5636–5643; doi:10.1021/jo500813n

data_4029511
_publ_section_title
;
 Synthesis of a Smoothened Cholesterol: 18,19-Di-nor-cholesterol.
;
_journal_issue                   12
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5636
_journal_page_last               5643
_journal_paper_doi               10.1021/jo500813n
_journal_volume                  79
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H28 O4'
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_diffrn_reflns_theta_full        27.35
_diffrn_reflns_theta_max         27.35
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_exptl_absorpt_coefficient_mu    0.087
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_exptl_absorpt_correction_type   multi-scan
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_exptl_crystal_colour            colourless
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_exptl_crystal_description       rectangular
_exptl_crystal_F_000             348
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_R_factor_all          0.0434
_refine_ls_R_factor_gt           0.0364
_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^)+(0.0433P)^2^+0.1355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_data_source_file            jo500813n_si_003.cif
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_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 

 Adding full bibliography for 4029511--4029512.cif.

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'no' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

data name '_iucr_refine_instruction_details' was replaced with
'_iucr_refine_instructions_details' as specified in the replacement
file 'data/replacement-values/replacement_tags.lst'.

Automatic conversion script
Id: cif_correct_tags 9268 2022-04-12 08:56:07Z antanas 
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_cod_original_cell_volume        841.3(3)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4029511