Asymmetric synthesis of polysubstituted methylenecyclobutanes via catalytic [2+2] cycloaddition reactions of N-allenamides.
Zhong, Xia; Tang, Qiong; Zhou, Pengfei; Zhong, Ziwei; Dong, Shunxi; Liu, Xiaohua; Feng, Xiaoming; Chemical communications (Cambridge, England) 54 (2018) 10511–10514; doi:10.1039/c8cc06416d

data_7122226
_publ_section_title
;
 Asymmetric synthesis of polysubstituted methylenecyclobutanes via
 catalytic [2+2] cycloaddition reactions of N-allenamides.
;
_journal_issue                   74
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10511
_journal_page_last               10514
_journal_paper_doi               10.1039/c8cc06416d
_journal_volume                  54
_journal_year                    2018
_chemical_formula_sum            'C42 H49 N O7 S Si'
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_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
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_audit_update_record
;
2018-08-21 deposited with the CCDC.
2018-08-23 downloaded from the CCDC.
;
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_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
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'w=1/[\s^2^(Fo^2^)+(0.0715P)^2^+0.8249P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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'Adding full bibliography for 7122225--7122226.cif.'
_cod_database_code               7122226
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