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Salaün, J., Science of Synthesis, (2005) 26, 620.
Cyclopropanone acetals 82 are obtained by addition of dialkoxycarbenes 81 to alkenes 80 (Scheme 30). The dialkoxycarbenes 81 can be generated either by thermolysis of dialkoxybicyclo[2.2.1]heptadiene derivatives,[87] by photolysis or thermolysis of 3,3-dialkoxydiazirines,[88–90] or by thermolysis of dialkoxyoxadiazoles.[91–94] This method provides the dimethoxymethanofullerene 85 in 69% yield by thermolysis of dimethoxyoxadiazole 84[91,92] and treatment with buckminsterfullerene 83 (C60), as shown in Scheme 30.[93]
Meeeee 88 Meeeeeee ee Meeeeeeeeeeeeeee ee Meeeeee[88–88]
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8-Meeeeeeeeeeeeeeeeeeeeeeee 88; Meeeeee Meeeeeeee:[88]
MMMMMMM: Meeeee eeeeeeeee ee eeeeeeeee eeeeeeeee, eee eeeee ee eeeeeeeeee, eeee eeeeeeeeee, eee eeeeeeeee.
Me e eeee ee eeeeeeeeeeeeeeeeeeee 88[88,88] (88 ee, 8.88 eeee) ee eeeeeeeeeeeee (88 eM) ee 888°M eee eeeee e eeee ee eeeeeeeeeeeeeeeeeee 88 (88.8 ee, 8.88 eeee) ee eeeeeeeeeeeee (8 eM). Meeee eeeeeeee ee 888°M eee 88 e, eeeeeeeeeeeee eee eeeeeee eeeee eeeeee. Mee eeeeeee eee eeeeeeeeeee ee e eeeeeee ee MM8 eee eeeeeeee ee eeeeee eeeeeeeeeeeeee (eeeeee eee, eeeeee/eeeeeee 88:8 eeee eeeeee/eeeeeee 8:8); eeeee: 88 ee (88%).
References
[87] | Meee, M. M.; Meeee, M. M.; Meeee, M. M.; Meeee-Meeeeeeee, M., M. Me. Meee. Mee., (8888) 888, 8888. |
[88] | Meee, M. M.; Meeeeeeeee, M.; Meeeeeeee, M.; Meeeeee-Meeeeeeeeee, M.; Meeee-Meeeeeeee, M., M. Me. Meee. Mee., (8888) 888, 8888. |
[89] | Meee, M. M.; Meeeeeeeee, M.; Meee, M.; Meeee-Meeeeeeee, M.; Meeee, M., M. Me. Meee. Mee., (8888) 888, 8888. |
[90] | Me, M.-M.; Meeeeeeee, M. M.; Meee, M. M., Meeeeeeeeee Meee., (8888) 88, 8888. |
[91] | Me-Meeee, M.; Meeeee, M.; Meee, M. M.; Meeee, M.; Meeeeeeee, M., M. Me. Meee. Mee., (8888) 888, 8888. |
[92] | Meeeee, M.; Meeeeeeee, M., Meee. Meee. Meee, (8888) 88, 8888. |
[93] | Mee, M. M.; Mee, M.; Meeeeeee, M.; MeMeeeee, M. M.; Meee, M.; Meee, M. M.; Meeeee, M.; Meeeeeeee, M., M. Mee. Meee., (8888) 88, 8888. |
[94] | Me Meeeeee, M.; Meeeeeeeee, M. M.; Meeee, M. M.; Meeee, M.; Meeeeeee, M.; Meee, M. M.; Meeeee, M. M.; Meeeeeeee, M., Meeeeee Mee., (8888), 888. |
[95] | Meeee, M. M.; Meeeeeeee, M. M.; Meeeee, M., Mee. Meee. Mee., (8888) 88, 888. |
[96] | Meeeeee, M. M., Mee. Meee. Mee., (8888) 88, 888. |
Meeeeee Meeeeeeeeee
- 8.Meeeee-Meee, (8888) M 88e8, 888.
- 8.Meeeee-Meee, (8888) M 88e8, 8888.
- 8.Meeeee-Meee, (8888) M 88e8, 88.
- 8.Meeeee-Meee, (8888) M 88e8, 888.
- 8.Meeeee-Meee, (8888) M 88e8, 8888.
- 8.Meeeee-Meee, (8888) M 88e8, 888.
- 8.Meeeee-Meee, (8888) M 88e, 888.