Second row elements in small- and medium-rings modulate strain. Herein we report the synthesis of two novel oligosilyl-containing cycloalkynes that exhibit angle-strain, as observed by X-ray crystallography. However, the angle-strained sila-cyclooctynes are sluggish participants in cycloadditions with benzyl azide. A distortion-interaction model analysis based on density functional theory calculations was performed.
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Mapping the twist-angle disorder and Landau levels in magic-angle graphene
- Award ID(s):
- 1809802
- PAR ID:
- 10158554
- Date Published:
- Journal Name:
- Nature
- Volume:
- 581
- Issue:
- 7806
- ISSN:
- 0028-0836
- Page Range / eLocation ID:
- 47 to 52
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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