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21.1.5.7 Method 7: Rearrangement of Oxaziridines

DOI: 10.1055/sos-SD-021-00115

Judd, W. R.; Katz, C. E.; Aubé, J.Science of Synthesis, (200521168.

The characteristic reactions of oxaziridines (three-membered rings containing oxygen, nitrogen, and carbon) are associated with the presence of a weak NO bond in a strained ring.[‌110‌‌112‌] An interesting and synthetically useful property of oxaziridines is that they possess an sp3-hybridized nitrogen atom that is configurationally stable. The experimentally determined inversion barrier for an N-alkyl oxaziridine is in the range 100130 kJ·mol1 (Scheme 47).[‌113‌]

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Meeeee 88 Meeeeeeeeeee Meeeeeeeeeeee ee eee Meeeeeeeeeeeee Meee ee Meeeeeeee ee Meeeeeeeeee Meeeeeeeeeeeee[‌888‌]

Meeeeeee ee eeeeeeeeeeeeee eeeeeeeeeee eeeeeeeeeeeeee eee eeeee ee Meeeee 88 (eee eeee eeeeeeeeeeeeee ee eee eeeeeeeeeee eeeeeeee eeee eeee ee eeeeeeeeee).[‌888‌] Meeeeeeeee ee eeeeeeeeeee 888 eeeee eee eeeeeeeeeee 888 eeeeee eeee eee eeeeeee ee eeeeee eeeee eeeeeeeee, eeeee eeeee eeee eee ee e eeeeeeeeeeee eeee eeeeeeee eeeeeeeeeeeee eeeeee (eee eeeee). Meeeeeeeeeeee ee eee eeeeeeeeeee eeeeeeeeeee 888 (Meeeee 88) eeeeee eeee eeeeeeeeeee eeeeeeeee eeeeeeeee ee eee eeee-eeeeeeeeeee α-eeeeee. Meee eeeeee ee eeeeeeee eeee eeeeeeee eee e eeeeeeeee eeeeeeeeee eeeeeee eeeeeee eeeeeeeeeeeee, eee ee eeeeeeeeee eeee eeeeeeeee ee eee eeee eeeeeeeeeeeeee ee eee eeeeeeee eeee eeee.

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Meeeee 88 Meeeeeeeee ee Meee-Meeeeeeee Meeeeeeeeeeee[‌88‌,‌888‌]

Mee eeee eeeeeeeeee eeeeeeee eeeeee eee eee eeeeeeeee ee eeeeeeeeeeee ee eee eeeeeeeee ee eee eeeeeeeeeeeee eeeee eeee eeeeeeee. Meee eeeeeee eee ee eeee ee eeeeeeee eee eeeeeeeeeee eeeeeeeeeeeeeeeee eeee eeeee ee e eeeeee eeeeeeeee eeeeeeee. Me eeeeeeeee, eeeeeeeeee eeeeeeeee eee ee eeeeeeee eeeeeee eee eee ee eeeeee eeeeeeee, eeeeeeee ee eeeeee eeeee, ee eeeeeeeee ee eeeeee eeeeee.[‌888‌] Meee eee eeee eeeeeeee eeeeeeeeeeee ee eeeeeeeeeeeee eeeeee eeeeeeeeeeeee. Me eee eeeeeeeeeeeee ee eee eeeeeeeeeee eeeeeeee eee ee eeeeeeeeee, eee eeeeeeeeeeeeeeee ee eee eeeeeeeeeeeee ee eee eeeee eeeeeee eee eeee ee eeeeeeee. Meeee eeeeeeee eeeee eee eeeee- eee eeeeeeeeeeeeeee eeeeeeeeeee ee eeee-eeeeeeee eeeeeee eeee e eeeeeee ee eeeeeeeeeee eeeeeeeeeeee.[‌888‌]

Mee eeeee ee eeeeeeeeeeeeee eeeeeee eeeeeeee eee eeeeeeeeeee eeeeeeeee eee eeeeeeeeeeeee ee eee-eeeeeeee eeeeee eeeeeee eee ee eeeeeeee ee eeeee eee M-α-eeeeeeeeeeee­eeeee-eeeeeeeeeee eeeee eeeeeee eeee 8-eeeeeeeeeeeeeeeeeee (888) (Meeeee 88).[‌888‌] Meeeeeeeeeeeeee eeeeeee ee eeeeeeeeeeee eeeeeee eeee eee-eeeeeeee eeeeee eeeeee eeeeeee eeee eee eeeeeeeeeeee eeeeeeeeee eeeeee ee eee eeeeeee[‌888‌] eee eee eeeeeeee ee e eeeeee eeeeeeee eeeeeeeeeee.[‌888‌] Mee eeee eeeeeee eee eeeeeee eeeeeeee eeee e eeeee eeeeeee, eeee ee eeeeeeeeeeeeeeeeeee eeee, ee eeee, eee eee eeeeeeeee ee eee eeeeeee eeee eee eeeeee eee eeeeeeeeeeeeeeeee ee eee eeeeeeeee eeeeeeee. Meeeeeeee ee (+)-eeeeeeeeeeeeeeeeeee eeee ee eee eeeee eeeeeee eeee 888 eeeeee eeee eeee eeeeeeeeeeeeeeeeeeee ee eeeeee 888 ee eee eeeee eeeeeeeeeeee. Meeeeeeeee eeeeeeeeee eeeee eee eeee-eeeeeeee eeeeeee 888 eeee eeee eeeeeeeeeeeeeeeeeeee. Meeee eeeeeeee, eee eeeeeeeeeee ee eee eeeeeeeeeeeeeee eeeeeeeee ee ee eeeeeeeeeee eee eee eeeeeeeeeeeee eeeeeeeeeeeee eeeeeee ee eee eeeeeeeeeeeeeeee eeeeeeeee ee e eeeeee eeee e eeeeeeeeeee eeeeee. Meeeeee, eeee eee eeeeeeee ee eeeeeee ee eee eeeeeeeee ee eeee-eeeeeeee eeeeeee, eee eeeeeeeeeee ee eeeeeeeeeeee eeeeeee (Meeeee 88).[‌888‌]

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Meeeee 88 Meeeeeee Meeeeeeee Meeeeeeee ee Meeeeeeeeee Meeeeeeeeeeeee[‌888‌‌888‌]

Meeeeeeeeeee Meeeeeeee

(8M)-8-Meeeee-8-[(8M)-8-eeeeeeeeeee]eeeeee-8-eee (888M); Meeeeee Meeeeeeee:[‌888‌]

M eeee ee 8-eeeeeeeeeeeeeeeeeee (888; 8.8 eeeee) eee (M)-MeMMMeMM8 eee eeeeeeee eee 88e eeeee e MeeeMeeee eeee. Mee eeeee eeeeeee eeee ee eee eeeee eee eeee eeeeee ee ee eee eeeee eeeeeeee eeeeeee ee eeeeeeee eeeeee eeeee M8 ee e eeeee-eeeeeeee eeeee eeeeeeeeee e eeeeeeeeee ee (+)-eeeeeeeeeeeeeeeeeee eeee (8.8 eeeee) ee eeeeeee ee 88°M. Meeee 88eee, eee eeeeeee eee eeeeee eeee e eeeeeeeeee eeeeee eee eeeeeeeeeee eeeeeee eee. ee Me8M8M8 eee Me8M. Mee eeeeeee eeeee eee eeeeee eeee eee. ee MeMMM8 eee eeeee, eee eeeee (Me8MM8). Mee eeeeeeeeeee eeeeeee 888 eee eeeeeeee ee eeeeeeeeeeeee eeeeeeee ee eeeeeeeeeeeeee (MeMMe/eeeeee 8:8).

Meeeeeeeeee 888 eee eeeeeeeee ee MM8Me8 (8.888.88M) ee e eeeeee eeee, eeeeeeee eeee M8 eee 88eee, eee eeee eeeeeeeeee ee e Meeeeee MMM-888 eeeeeee eeeeeee (888ee) ee ee eee 8e. Mee eeee eee eeeeeeeeeeee eee eeeeeeee ee eeeeeeeeeeeeee (MeMMe/eeeeee 8:8) ee eeeeee eeeeee 888M; eeeee: 88%; MM (MMe8, ee8): 8888, 8888, 8888; [α]M 88.8 (e 8.88, MeMM).

References


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