A concise route to beta-Cyclopropyl amino acids utilizing 1,2-dioxines and stabilized phosphonate nucleophiles.
Avery, Thomas D.; Greatrex, Ben W.; Pedersen, Daniel Sejer; Taylor, Dennis K.; Tiekink, Edward R. T.; The Journal of organic chemistry 73 (2008) 2633–2640; doi:10.1021/jo7024256

data_4029552
_publ_section_title
;
 A concise route to beta-Cyclopropyl amino acids utilizing 1,2-dioxines
 and stabilized phosphonate nucleophiles.
;
_journal_issue                   7
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2633
_journal_page_last               2640
_journal_paper_doi               10.1021/jo7024256
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C26 H41 N O7 Si'
_chemical_formula_sum            'C26 H41 N O7 Si'
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_cell_measurement_theta_max      30.2
_cell_measurement_theta_min      2.4
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_diffrn_measurement_device_type  'Bruker AXS SMART CCD diffractometer'
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_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'triangular block'
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_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^)+(0.0595P)^2^+0.4501P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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