𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Trapping of a trans intermediate in the photodimerization of a benzo-2,4-cycloheptadienone

✍ Scribed by Harold Hart; Mikio Suzuki

Publisher
Elsevier Science
Year
1975
Tongue
French
Weight
157 KB
Volume
16
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

Photochemistry of a 2,3-benzo-2,4-cycloo
Photochemistry of a 2,3-benzo-2,4-cyclooctadienone; Isolation of the 4-trans isomer
✍ Harold Hart; Mikio Suzuki πŸ“‚ Article πŸ“… 1975 πŸ› Elsevier Science 🌐 French βš– 175 KB

## Evidence that the highly reactive trans,cis-2,4-cyclooctadienone x is an intermediate in -- the photoreactions of the cis cis isomer has been presented.' \_\*---The trans ketone < was stable at dimers or trapping products

[2+2] Photodimerization of (Z)-4-styrylp
[2+2] Photodimerization of (Z)-4-styrylpyridine through a cation–π interaction: formation of cis–cis–trans dimers
✍ Shinji Yamada; Yuka Nojiri; Mai Sugawara πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 French βš– 281 KB

The cis-cis-trans cyclobutanes are prepared by photodimerization of (Z)-4-styrylpyridine. A catalytic amount of HCl plays a key role in enhancing the [2+2] photocyclization reactions between (Z)-and (E)-4-styrylpyridines to give r-cct and r-ctc cyclobutane dimers through a cation-p interaction.

A direct synthesis of trans 2-arylbenzoc
A direct synthesis of trans 2-arylbenzocyclobutenol, a potential intermediate for podophyllotoxin synthesis: Use of lda for benzyne formation and trapping
✍ Michael E Jung; Gregory T Lowen πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 French βš– 216 KB

Treatment of a-alkoxyaryl bromides with LDA in THF produces the corresponding aryne which can be trapped intramolecularly by an anion u to a nitrile to produce a substituted benzocyclobutenyl nitrile, the precursor of a trans arylbenzocyclobutenol potentially useful for podophyllotoxin synthesis. R