๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Facile Entry to Geminally Dialkylated Chlorins

โœ Scribed by Prof. Dr. Franz-Peter Montforts; Dr. Gottfried Zimmermann


Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
228 KB
Volume
25
Category
Article
ISSN
0044-8249

No coin nor oath required. For personal study only.

โœฆ Synopsis


A yellow solution of 6.C1 (OAOg, 3 mmol) in ethanol becomes hot and decolorizes within 10 min after addition of 0.60 mL of 30% hydrogen peroxide; at the same time, colorless crystalline 7 .CI precipitates. Yield: 0.83 g (93%), m.p. 194-196ยฐC (dec.


๐Ÿ“œ SIMILAR VOLUMES


A facile conversion of dialkyl phosphona
โœ Takeshi Wada; Tsujiaki Hata ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 140 KB

Dialkyl phosphonates were converted into the corresponding. phosphorodithioates in three steps by one-pot procedure. The reaction was applied to the synthesis of nucleoside phosphorodithioate derivatives.

A facile entry to vinyl ketones
โœ Jean-Louis Gras ๐Ÿ“‚ Article ๐Ÿ“… 1978 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 153 KB
Facile entry to (โˆ’)-(R)- and (+)-(S)-mex
โœ Alessia Carocci; Carlo Franchini; Giovanni Lentini; Fulvio Loiodice; Vincenzo To ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 107 KB

The title compounds, 1a and 1b, have been synthesized in a three-step sequence starting from (-)-(S) and (+)-(R)-propylene oxide, respectively, in acceptable overall yields. The enantiomeric excess values for 1a and 1b were 96% and 93% respectively, as assessed by HPLC analysis on a chiral stationar

A facile entry to pseudoguaianes. Total
โœ Peter T. Lansbury; Algirdas K. Serelis ๐Ÿ“‚ Article ๐Ÿ“… 1978 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 207 KB

Among the various classes of sesquiterpene a-methylene-y-butyrolactones, the pseudoguaianolides' are unparalleled as structural and stereochemical challenges2 to the discriminating synthetic organic chemist. I II III We herein report an extremely facile pseudoguaiane construction of potential value