FeCl3-Promoted [3 + 2] Annulations of γ-Butyrolactone Fused Cyclopropanes with Heterocumulenes.
Feng, Manli; Yang, Pengfei; Yang, Gaosheng; Chen, Wenlong; Chai, Zhuo; The Journal of organic chemistry  (2017) –; doi:10.1021/acs.joc.7b02561

data_4033286
_publ_section_title
;
 FeCl3-Promoted [3 + 2] Annulations of \g-Butyrolactone Fused
 Cyclopropanes with Heterocumulenes.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.7b02561
_journal_year                    2017
_chemical_formula_sum            'C21 H20 O5'
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_space_group_name_H-M_alt        'P b c a'
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0919P)^2^+0.6278P] where P=(Fo^2^+2Fc^2^)/3'
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