✦ LIBER ✦

Ketene Acetals. II. The Synthesis of Ketene Acetals from Dichloro Olefins and Sodium β- and γ-Alkoxy Alcoholates 1

✍ Scribed by Kuryla, William C.

Book ID: 126242013
Publisher: American Chemical Society
Year: 1965
Tongue: English
Weight: 530 KB
Volume: 30
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo01022a502

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Stereoselective Insertion of Ketenes int

Stereoselective Insertion of Ketenes into O,O-Acetals: Synthesis of β-Alkoxy Esters and 1,4-Dioxepan-5-ones

✍ Prof. Dr. Johann Mulzer; Dipl.-Chem. Dirk Trauner; Dr. Jan W. Bats 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 315 KB 👁 1 views

Transition-metal catalyzed synthesis of

Transition-metal catalyzed synthesis of δ-hydroxy-γ-lactones from bis(trimethylsilyl) ketene acetals and allylic acetates via γ-unsaturated carboxylic acids. Comments on the formation of α-cyclopropyl carboxylic acids

✍ Henri Rudler; Paul Harris; Andrée Parlier; Frédéric Cantagrel; Bernard Denise; M 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 263 KB

The Michael reaction of silyl enol ether

The Michael reaction of silyl enol ethers or ketene silyl acetals with conjugated nitro olefins activated by Lewis acids: new synthesis of 1,4-diketones and .gamma.-oxo esters

✍ Yanami, Tetsuji; Kumazawa, Toshiaki; Yoshikoshi, Akira; Miyashita, Masaaki 📂 Article 📅 1984 🏛 American Chemical Society 🌐 English ⚖ 944 KB

Chemistry of ketene acetals IV. A simple

Chemistry of ketene acetals IV. A simple and general method for the preparation of 4-hydroxy-γ-butyrolactones and 2-butenolides from 1,1-dimethoxypropene and α-acyloxy aldehydes and ketones

✍ R. W. Aben; R. Hofstraat; J. W. Scheeren 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 494 KB

## Abstract α‐Acyloxy aldehydes (**2a,b**) react with 1,1‐dimethoxypropene (**1**) in the presence of ZnCl~2~ to yield 2,2‐dimethoxy‐3‐methyloxetanes (**3a,b**). Stronger electron‐withdraxing acyl groups are necessary for the analogous conversion ofα‐acyloxy ketones (**2c,d,e**). Hydrolysis of the

New expedient route to the stereoselecti

New expedient route to the stereoselective synthesis of fluorinated 1,3-diol derivatives via aluminum acetals derived from β-alkoxy esters and DIBAL

✍ Takashi Ishihara; Atsuya Takahashi; Hidetoshi Hayashi; Hiroki Yamanaka; Toshio K 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 228 KB

On treating the aluminum acetal intermediates, generated in situ from ethyl 3-benzyloxy-2, 2-difluoroalkanoates or 3-benzyloxy-4,4,4-trifluorobutanoate and diisobutylaluminum hydride at -78 qC for 1 h, with allylic stannanes in the presence of titanium(IV) dichloride diisopropoxide at 0 ~C for 8 h o

ChemInform Abstract: New Expedient Route

ChemInform Abstract: New Expedient Route to the Stereoselective Synthesis of Fluorinated 1,3-Diol Derivatives via Aluminum Acetals Derived from β-Alkoxy Esters and DIBAL.

✍ T. ISHIHARA; A. TAKAHASHI; H. HAYASHI; H. YAMANAKA; T. KUBOTA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 2 views