Manganese chloride lithium aluminum hydride

Magnesium methyl carbonate, 310 Malic acid, 135 Malyngolide, 224, 316 Manganese(II) chloride-lithium aluminum hydride, 310 Manganese dioxide, 311 Manicone, 121... 

C (R = OH, Ri = H) by hydriodic acid. Benzylation of this product and conversion to the acid chloride provided an acylating agent for CII, which was prepared from 0-benzyl isovanillin (Cl). The amide (CIII R, R2 = CH2C6H5, Ri = 0) was reduced by lithium aluminum hydride and palladium-on-charcoal to the desired phenol (CIII R, Ri, R2 = H), the structure of which was verified by conversion to belladine (CIII R, R2 = CH3 Ri = H) by diazomethane. Manganese dioxide, lead dioxide, silver oxide, and potassium ferricyanide were effective in the oxidation of cm (R,Ri,R2 = H)to( + )-narwedine. A maximum yield of 1.4% was obtained. Polymerization products predominated in all cases 103). 

The carbon skeleton of the naphthalene compounds (563) and (564), which are structurally analogous to ethyl retinoate (24) and retinaldehyde (2), was obtained via the ketone (562) (Akhtar et al., 1982). The aldehyde (564), which binds, as the chromophore, to opsin, was obtained by reducing the ethyl ester (563) with lithium aluminum hydride/aluminum chloride and finally oxidizing the product with manganese(IV) oxide. The trans double bond of methyl (all- )-... 

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