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Related Experiment Video

Updated: Jun 1, 2026

Preparation of N-(2-alkoxyvinyl)sulfonamides from N-tosyl-1,2,3-triazoles and Subsequent Conversion to Substituted Phthalans and Phenethylamines
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N-crotylphthalimide.

Marcos Flores-Alamo1, María Del Carmen Romero-Quiroz, Jorge Morgado

  • 1Facultad de Química, Universidad Nacional Autónoma de México, Coyoacán 04360, DF, Mexico.

Acta Crystallographica. Section E, Structure Reports Online
|May 19, 2011
PubMed
Summary
This summary is machine-generated.

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This study details the molecular structure of 2-[(E)-but-2-en-1-yl]isoindoline-1,3-dione. The research found the phthalimide ring is planar, with the N-crotyl group positioned orthogonally.

Area of Science:

  • Organic Chemistry
  • Crystallography
  • Molecular Structure

Background:

  • Phthalimide derivatives are important in organic synthesis and medicinal chemistry.
  • Understanding the three-dimensional structure of such compounds is crucial for predicting their reactivity and properties.

Purpose of the Study:

  • To elucidate the precise molecular geometry of 2-[(E)-but-2-en-1-yl]isoindoline-1,3-dione.
  • To analyze the spatial relationship between the phthalimide core and its N-crotyl substituent.

Main Methods:

  • Single-crystal X-ray diffraction analysis was employed to determine the compound's structure.
  • Crystallographic data were collected and refined to obtain accurate atomic coordinates and bond parameters.

Main Results:

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  • The phthalimide ring system in 2-[(E)-but-2-en-1-yl]isoindoline-1,3-dione exhibits near-planarity, with minimal deviation (0.008 Å).
  • The N-crotyl substituent is oriented nearly perpendicular (orthogonal, 87.5°) to the phthalimide plane.
  • The molecular formula was confirmed as C(12)H(11)NO(2).

Conclusions:

  • The study provides definitive crystallographic data for 2-[(E)-but-2-en-1-yl]isoindoline-1,3-dione.
  • The observed orthogonal relationship between the planar phthalimide core and the N-crotyl group is a key structural feature.